80_FR_18395 80 FR 18330 - Chemical Substances When Manufactured or Processed as Nanoscale Materials; TSCA Reporting and Recordkeeping Requirements

80 FR 18330 - Chemical Substances When Manufactured or Processed as Nanoscale Materials; TSCA Reporting and Recordkeeping Requirements

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 80, Issue 65 (April 6, 2015)

Page Range18330-18342
FR Document2015-07497

EPA is proposing reporting and recordkeeping requirements for certain chemical substances when they are manufactured or processed at the nanoscale as described in this rule. Specifically, EPA proposes to require persons that manufacture (defined by statute to include import) or process, or intend to manufacture or process these chemical substances to electronically report to EPA certain information, which includes the specific chemical identity, production volume, methods of manufacture and processing, exposure and release information, and existing data concerning environmental and health effects. This proposal involves one-time reporting for existing nanoscale materials and one-time reporting for new discrete nanoscale materials before they are manufactured or processed. This information would facilitate EPA's evaluation of the materials and a determination of whether further action, including additional information collection, is needed. Consistent with the President's memorandum for Executive Agencies regarding Principles for Regulation and Oversight of Emerging Technologies, this proposed rule would facilitate assessment of risks and risk management, examination of the benefits and costs of further measures, and making future decisions based on available scientific evidence.

Federal Register, Volume 80 Issue 65 (Monday, April 6, 2015)
[Federal Register Volume 80, Number 65 (Monday, April 6, 2015)]
[Proposed Rules]
[Pages 18330-18342]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2015-07497]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 704

[EPA-HQ-OPPT-2010-0572; FRL-9920-90]
RIN 2070-AJ54


Chemical Substances When Manufactured or Processed as Nanoscale 
Materials; TSCA Reporting and Recordkeeping Requirements

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: EPA is proposing reporting and recordkeeping requirements for 
certain chemical substances when they are manufactured or processed at 
the nanoscale as described in this rule. Specifically, EPA proposes to 
require persons that manufacture (defined by statute to include import) 
or process, or intend to manufacture or process these chemical 
substances to electronically report to EPA certain information, which 
includes the specific chemical identity, production volume, methods of 
manufacture and processing, exposure and release information, and 
existing data concerning environmental and health effects. This 
proposal involves one-time reporting for existing nanoscale materials 
and one-time reporting for new discrete nanoscale materials before they 
are manufactured or processed. This information would facilitate EPA's 
evaluation of the materials and a determination of whether further 
action, including additional information collection, is needed. 
Consistent with the President's memorandum for Executive Agencies 
regarding Principles for Regulation and Oversight of Emerging 
Technologies, this proposed rule would facilitate assessment of risks 
and risk management, examination of the benefits and costs of further 
measures, and making future decisions based on available scientific 
evidence.

DATES: Comments must be received on or before July 6, 2015.

ADDRESSES: Submit your comments, identified by docket identification 
(ID) number EPA-HQ-OPPT-2010-0572, by one of the following methods:
     Federal eRulemaking Portal: http://www.regulations.gov. 
Follow the on-line instructions for submitting comments. Do not submit 
electronically any information you consider to be Confidential Business 
Information (CBI) or other information whose disclosure is restricted 
by statute.
     Mail: Document Control Office (7407M), Office of Pollution 
Prevention and Toxics (OPPT), Environmental Protection Agency, 1200 
Pennsylvania Ave. NW., Washington, DC 20460-0001.
     Hand Delivery: To make special arrangements for hand 
delivery or delivery of boxed information, please follow the 
instructions at http://www.epa.gov/dockets/contacts.html.
    Additional instructions on commenting or visiting the docket, along 
with more information about dockets generally, is available at  http://www.epa.gov/dockets.

FOR FURTHER INFORMATION CONTACT: For technical information contact: Jim 
Alwood, Chemical Control Division (7405M), Office of Pollution 
Prevention and Toxics, Environmental Protection Agency, 1200 
Pennsylvania Ave. NW., Washington, DC 20460-0001; telephone

[[Page 18331]]

number: (202) 564-8974; email address: alwood.jim@epa.gov.
    For general information contact: The TSCA-Hotline, ABVI-Goodwill, 
422 South Clinton Ave., Rochester, NY 14620; telephone number: (202) 
554-1404; email address: TSCA-Hotline@epa.gov.

SUPPLEMENTARY INFORMATION: 

I. Executive Summary

A. Does this action apply to me?

    You may be potentially affected by this action if you manufacture 
or process or intend to manufacture or process nanoscale forms of 
certain chemical substances. However, persons that manufacture or 
process, or intend to manufacture or process these chemical substances 
as part of articles, as impurities, or in small quantities solely for 
research and development would not be subject to this action. In 
addition, the discussion in Unit III.A. describes in more detail which 
chemical substances would and would not be subject to reporting under 
the proposed rule. You may also consult 40 CFR 704.3 and 704.5, as well 
as the proposed regulatory text in this document, for further 
information on the applicability of these and other exemptions to this 
proposed rule.
    The following list of North American Industrial Classification 
System (NAICS) codes is not intended to be exhaustive, but rather 
provides a guide to help readers determine whether this document may 
apply to them:
     Chemical Manufacturing or Processing (NAICS codes 325).
     Synthetic Dye and Pigment Manufacturing (NAICS code 
325130).
     Other Basic Inorganic Chemical Manufacturing (NAICS code 
325180).
     Rolled Steel Shape Manufacturing (NAICS code 331221).
     Semiconductor and Related Device Manufacturing (NAICS code 
334413).
     Carbon and Graphite Product Manufacturing (NAICS code 
335991).
     Home Furnishing Merchant Wholesalers (NAICS code 423220).
     Roofing, Sliding, and Insulation Material Merchant 
Wholesalers (NAICS code 423330).
     Metal Service Centers and Other Metal Merchant Wholesalers 
(NAICS code 423510).
     Research and Development in the Physical, Engineering, and 
Life Sciences (except Biotechnology) (NAICS code 541712).

B. What is the agency's authority for taking this action?

    The Toxic Substances Control Act (TSCA), 15 U.S.C. 2601 et seq., 
provides EPA with authority to require reporting, recordkeeping and 
testing, and impose restrictions relating to chemical substances and/or 
mixtures. EPA is proposing this rule under section 8(a) of TSCA, 15 
U.S.C. 2607(a). See also Unit II.A.

C. What action is the agency taking?

    EPA is proposing reporting and recordkeeping requirements for 
persons that manufacture (including import) or process certain chemical 
substances as described in Unit III.A. Persons who currently 
manufacture or process these chemical substances as discrete nanoscale 
materials would be required to notify EPA of certain information 
described in Unit III.C., including specific chemical identity, 
production volume, methods of manufacture and processing, use, exposure 
and release information, and available health and safety data. EPA is 
also proposing that any persons who intend to begin to manufacture or 
process chemical substances as discrete nanoscale materials after the 
effective date of this rule notify EPA of the same information at least 
135 days before the intended date of commencement of manufacture or 
processing. The TSCA section 8(a) rule proposed here involves one-time 
reporting for existing discrete nanoscale forms of certain chemical 
substances and one-time reporting for new discrete nanoscale forms of 
certain chemical substances before they are manufactured or processed. 
A chemical substance as defined under TSCA section 3(2) does not 
include any food, food additive, drug, cosmetic, medical device, 
pesticide or other excluded materials. Such materials are not be 
subject to this rule.
    Included in this proposal are electronic reporting requirements 
similar to those established in 2013 for other kinds of information: 
EPA is proposing to require submitters to use EPA's Central Data 
Exchange (CDX), the Agency's electronic reporting portal, for all 
reporting under this rule. In the Federal Register of December 4, 2013 
(78 FR 72818) (FRL 9394-6), EPA finalized a rule to require electronic 
reporting of certain information submitted to the Agency under TSCA 
sections 4, 5, 8(a) and 8(d). In proposing to require similar 
electronic reporting under this rule, EPA intends to save time, improve 
data quality and increase efficiencies for both the submitters and the 
Agency (Ref. 1).
    This proposed rule and the discussion of the potential risks do not 
conclude and are not intended to conclude that nanoscale materials as a 
class, or specific uses of nanoscale materials, necessarily give rise 
to or are likely to cause harm to people or the environment. Rather, 
EPA would use information gathered through this reporting rule to 
determine if any further action under TSCA, including additional 
information collection, is needed. EPA intends to make conclusions on 
the basis of specific scientific evidence. As with current new chemical 
review of nanomaterials, each chemical substance manufactured at the 
nanoscale will be evaluated on a case-by-case basis and not with the 
presumption of either harm or safety, but rather its evaluation will be 
based on the specific nanoscale chemical substance's own properties. If 
adequate data are not available for the properties of the nanoscale 
chemical substance, EPA will use data on structural analogues. Being 
nanoscale is not itself an indication of, or criterion for, hazard or 
exposure potential. Any potential future restrictions on chemical 
substances manufactured at the nanoscale would be tailored to protect 
against the specific harms identified for individual substances or 
categories. EPA would focus any toxicity concerns or data requirements 
based on available exposure or hazard data for specific nanoscale 
chemical substances. If the information provided indicates low risk, 
EPA would not need to consider further review or regulation of that 
nanoscale chemical substance unless subsequent information raises risk 
concerns. For example during review of new chemical substances that are 
nanoscale materials, EPA typically does not request inhalation toxicity 
data for chemical substances that are manufactured in forms or handled 
by processes where no inhalation exposure occurs.
    EPA is not proposing to publish an inventory of chemical substances 
manufactured at the nanoscale based on the information that would be 
collected pursuant to these proposed TSCA section 8(a) reporting 
requirements. EPA will make non-confidential information reported under 
the proposed rule available in ChemView (see http://www.epa.gov/chemview/).

D. Why is the agency taking this action?

    These reporting and recordkeeping requirements would assist EPA in 
its continuing evaluation of chemical substances manufactured at the 
nanoscale, informed by available scientific, technical and economic 
evidence. This proposed rule is not intended to indicate restrictions 
or conclusions about the risks of chemical substances manufactured at 
the nanoscale in general. Rather, the requirements would facilitate 
EPA's

[[Page 18332]]

evaluation of the materials and its determination of whether any 
further action under TSCA, including additional information collection, 
is needed.
    Consistent with the June 9, 2011 memorandum on the Policy 
Principles for the U.S. Decision-Making Concerning Regulation and 
Oversight of Applications of Nanotechnology and Nanomaterials, this 
proposal is not making any finding about the potential risks of 
nanoscale materials in general or any specific nanoscale materials 
(Ref. 2). These generally applicable principles are relevant to 
promoting a balanced, science-based approach to regulating chemical 
substances manufactured at the nanoscale and other applications of 
nanotechnology in a manner that protects human health, safety, and the 
environment without prejudging new technologies or creating unnecessary 
barriers to trade or hampering innovation. These principles build on 
the foundation provided by current regulatory statutes and do not 
supersede existing legal authorities. In this proposal, EPA's approach 
seeks to support the policy principle to ``[s]eek and develop adequate 
information with respect to the potential effects of nanomaterials on 
human health and the environment and take into account new knowledge 
when it becomes available'' (Ref. 2). As with current new chemical 
reviews of chemical substances manufactured at the nanoscale, each 
nanoscale material would be evaluated on a case-by-case basis and not 
with the presumption of either harm or safety. Any evaluation will be 
based on the specific nanoscale material's own properties and those of 
any structural analogs.

E. What are the estimated incremental impacts of this action?

    EPA has evaluated the potential costs of establishing the proposed 
reporting and recordkeeping requirements for potential manufacturers 
and processors. This analysis (Ref. 3), which is available in the 
docket, is briefly summarized here.
    Under the proposed rule, industry is conservatively estimated to 
incur a burden of approximately 206,098 hours in the first year and 
22,755 hours in subsequent years, with costs of approximately $13.9 
million and $1.5 million, respectively (see Chapter 3 in Ref. 3), while 
the Agency is expected to use approximately 6,539 hours in the first 
year and 723 hours in subsequent years, with costs of approximately 
$0.51 million and $0.06 million respectively (see Chapter 4 in Ref. 3). 
Discounted over a 10-year period at three and seven percent, total 
annualized costs are estimated to be approximately $2.80 million and 
$3.08 million, respectively. (Ref. 3.)

F. What should I consider as I prepare my comments for EPA?

    1. Submitting CBI. Do not submit this information to EPA through 
regulations.gov or email. Clearly mark the part or all of the 
information that you claim to be CBI. For CBI information in a disk or 
CD-ROM that you mail to EPA, mark the outside of the disk or CD-ROM as 
CBI and then identify electronically within the disk or CD-ROM the 
specific information that is claimed as CBI. In addition to one 
complete version of the comment that includes information claimed as 
CBI, a copy of the comment that does not contain the information 
claimed as CBI must be submitted for inclusion in the public docket. 
Information so marked will not be disclosed except in accordance with 
procedures set forth in 40 CFR part 2.
    2. Tips for preparing your comments. When preparing and submitting 
your comments, see the commenting tips at http://www.epa.gov/dockets/comments.html.

II. Background

A. Overview of Applicable Authority

    1. TSCA section 8(a) reporting. Section 8(a) of TSCA authorizes EPA 
to promulgate rules which require each person (other than a small 
manufacturer or processor) who manufactures, processes, or proposes to 
manufacture or process a chemical substance, to maintain such records 
and submit such reports as the EPA Administrator may reasonably 
require. TSCA section 8(a) gives EPA authority to determine the format 
of reporting under this section.
    Small manufacturers and processors, as defined by EPA, are exempt 
from TSCA section 8(a) reporting requirements, unless the manufacture 
or processing is subject to a rule proposed or promulgated under TSCA 
sections 4, 5(b)(4), or 6, or an order under section 5(e). Under TSCA 
section 8(a)(3)(B), after consultation with the Administrator of the 
Small Business Administration (SBA), EPA may prescribe standards for 
determining which manufacturers and processors qualify as small for 
purposes of reporting under a TSCA section 8(a) rule.
    General provisions for TSCA section 8(a) rules appear in 40 CFR 
part 704 Subpart A. These provisions describe definitions, exemptions 
(including for articles and research and development), confidential 
business information claims, and recordkeeping that apply to TSCA 
section 8(a) rules. For example in 40 CFR 704.3 the definition of known 
to or reasonably ascertainable by is defined to mean all information in 
a person's possession or control, plus all information that a 
reasonable person similarly situated might be expected to possess, 
control, or know.
    In addition, the definitions in TSCA section 3 apply to this 
rulemaking.
    2. Electronic reporting under the Government Paperwork Elimination 
Act (GPEA). GPEA, 44 U.S.C. 3504, provides that, when practicable, 
Federal organizations use electronic forms, electronic filings, and 
electronic signatures to conduct official business with the public. 
EPA's Cross-Media Electronic Reporting Regulation (CROMERR) (40 CFR 
part 3) (Ref. 4), provides that any requirement in title 40 of the CFR 
to submit a report directly to EPA can be satisfied with an electronic 
submission that meets certain conditions once the Agency published a 
document in the Federal Register announcing that EPA is prepared to 
receive certain documents in electronic form. For more information 
about CROMERR, go to http://www.epa.gov/cromerr.

B. Why is EPA interested in nanoscale materials?

    There is a growing body of scientific evidence showing the 
differences that exist between chemical substances and chemical 
substances manufactured in nanoscale forms (Ref. 5). Chemical 
substances manufactured at the nanoscale may have different or enhanced 
properties--for example, electrical, chemical, magnetic, mechanical, 
thermal, or optical properties--or features, such as improved hardness 
or strength, that are highly desirable for applications in commercial, 
medical, military, and environmental sectors (Ref. 6). These properties 
are a direct consequence of decreasing size, where surface area per 
unit of volume increases exponentially and quantum effects may appear 
in the low tens of nanometers and below. Small size itself can also be 
a desirable property of nanoscale materials. The small size can be 
exploited for miniaturization of applications/processes and/or 
stabilization or delivery of payloads to diverse environments or 
incorporation into diverse products.
    Nanoscale materials have a range of potentially beneficial public 
and commercial applications, including medicine and public health, 
clean energy, pollution reduction and

[[Page 18333]]

environmental cleanup, and improved products such as stronger, lighter, 
and more durable or conductive materials. These benefits arise from the 
distinctive properties of nanoscale materials, in that they are 
potentially more interactive or durable than other chemical substances. 
Altering the size of a material from conventional particle size can 
enhance or produce unique properties that are desirable for a variety 
of commercial applications. However, these unique and enhanced 
properties can raise new questions, such as whether the material in the 
smaller form may present increased hazards to humans and the 
environment.
    Government, academic, and private sector scientists in multiple 
countries are performing research into the environmental and human 
health effects of diverse nanoscale materials, resulting in a 
substantial and rapidly growing body of scientific evidence. This 
research also indicates that, in biological systems or in the 
environment, not all materials in the nanoscale size range behave 
differently from larger sized materials of the same substance (Ref. 7). 
Recently, a governmental organization and an independent scientific 
committee have reviewed and summarized this evidence and offered views 
about the implications of this evidence for environmental and human 
health and safety.
    In 2009, the National Institute of Occupational Safety and Health 
(NIOSH) issued a report (Ref. 8) that summarized the available 
scientific information about nanoscale materials and identified the 
following potential health and safety properties:
     ``Nanomaterials have the greatest potential to enter the 
body through the respiratory system if they are airborne and in the 
form of respirable-sized particles (nanoparticles). They may also come 
into contact with the skin or be ingested.''
     ``Based on results from human and animal studies, airborne 
nanoparticles can be inhaled and deposited in the respiratory tract; 
and based on animal studies, nanoparticles can enter the blood stream, 
and translocate to other organs.''
     ``Experimental studies in rats have shown that equivalent 
mass doses of insoluble incidental nanoparticles are more potent than 
large particles of similar composition in causing pulmonary 
inflammation and lung tumors. Results from in vitro cell culture 
studies with similar materials are generally supportive of the 
biological responses observed in animals.''
     ``Experimental studies in animals, cell cultures, and 
cell-free systems have shown that changes in the chemical composition, 
crystal structure, and size of particles can influence their oxidant 
generation properties and cytotoxicity.''
     ``Studies in workers exposed to aerosols of some 
manufactured or incidental microscopic (fine) and nanoscale (ultrafine) 
particles have reported adverse lung effects including lung function 
decrements and obstructive and fibrotic lung diseases. The implications 
of these studies to engineered nanoparticles, which may have different 
particle properties, are uncertain.''
     ``Some nanomaterials may initiate catalytic reactions 
depending on their composition and structure that would not otherwise 
be anticipated based on their chemical composition.''
    Earlier the same year, the Scientific Committee on Emerging and 
Newly Identified Health Risks (SCENIHR), an independent scientific 
committee advising the European Commission's Health and Consumer 
Directorate, issued a report (Ref. 9) that identified properties 
similar to those identified in the NIOSH report:
     ``Some specific hazards, discussed in the context of risk 
for human health, have been identified. These include the possibility 
of some nanoparticles to induce protein fibrillation, the possible 
pathological effects caused by specific types of carbon nanotubes, the 
induction of genotoxicity, and size effects in terms of 
biodistribution.''
     ``For some nanomaterials, toxic effects on environmental 
organisms have been demonstrated, as well as the potential to transfer 
across environmental species, indicating a potential for 
bioaccumulation in species at the end of that part of the food chain.''
    In another survey of scientific research on nanoscale materials 
(Ref. 10), the authors reported:

    Many studies have examined the pro-inflammatory effects of 
manufactured nanoparticles, on the basis that their ability to cause 
inflammation is a major predictor of potential hazard in such 
particles. The first important finding was that nanoparticles have a 
more pronounced effect on inflammation, cell damage and cell 
stimulation than an equal mass of particles of the same material of 
greater size. This appears to hold true for materials as varied as 
carbon black, titanium dioxide, various metals and polystyrene. 
Surface area is the metric driving the pro-inflammatory effects and 
this is evident both in vitro and in vivo, particles of various 
sizes producing inflammatory effects that are directly related to 
the surface area dose.

    A report in the scientific literature has indicated that nanoscale 
polystyrene beads may cross the placental barrier (in an ex-vivo human 
placental perfusion model (Ref. 11). Another study found that 
nanoparticles could translocate to diverse organs following oral 
exposure in rodents. Once in these diverse sites and organs, the large 
surface area of nanoscale materials may facilitate increased reactivity 
and/or an inflammatory response, resulting in toxic effects (Ref. 12).
    Two literature surveys describe a broad range of effects in non-
mammalian species following exposure to nanoscale materials (Ref. 13 
and 14). These include, for example, increased ventilation rates, mucus 
production, and pathologies, and related alteration of enzyme 
activities and indicators of oxidative stress in rainbow trout, 
Oncorhyncus mykiss (Ref. 15) and ingestion and accumulation of 
nanoscale material in the digestive tract, as well as mortality, 
increased heart rates, and reduced fecundity in Daphnia magna (Ref. 16, 
17, and 18). Translocation of nanoscale materials from gill and gut 
surface to blood and other organs in exposed Medaka, Oryzius latipes, 
has also been reported (Ref. 19) and carbon nanotubes, although unable 
to cross the egg surface, have been shown to delay hatching in zebra 
fish, Danio rerio (Ref. 20).
    Published reports of human and ecological exposure to nanomaterials 
are also limited. For example, in its ``Current Intelligence Bulletin 
65: Occupational Exposure to Carbon Nanotubes and Nanofibers'' (Ref. 
21), NIOSH summarized and evaluated the available published information 
on worker exposures to carbon nanotubes (CNT) and nanofibers (CNF). 
NIOSH determined that, although the potential for worker exposure to 
CNT and CNF can occur throughout the life cycle of CNT- and CNF-product 
use (processing, use, disposal, recycling), the extent to which workers 
are exposed has not been completely characterized. ``Comprehensive 
workplace exposure evaluations are needed to characterize and quantify 
worker exposure to CNT and CNF at various job tasks and operations, and 
to determine what control measures are the most effective in reducing 
worker exposures.'' ``Data are particularly needed on workplace 
exposures to CNT and CNF, as well as information on whether in-place 
exposure control measures (e.g., engineering controls) and work 
practices are effective in reducing worker exposures.''
    There are many scientific questions about the impacts of chemical

[[Page 18334]]

substances manufactured at the nanoscale on human health and the 
environment. Part of EPA's mission under TSCA is to understand 
potential risks in order to protect human health and the environment. 
As stated in EPA's White Paper on Nanotechnology (Ref. 22):

    Some of the same special properties that make nanoscale 
materials useful are also properties that may cause some nanoscale 
materials to pose risks to humans and the environment, under 
specific conditions.

EPA needs a sound scientific basis for assessing and managing potential 
impacts resulting from the introduction of chemical substances 
manufactured at the nanoscale into commerce.
    As described in the 2008 TSCA Inventory Status of Nanoscale 
Substances--General Approach, many nanoscale materials are considered 
chemical substances as defined under TSCA section 3(2) (Ref. 23). 
Nanoscale forms of chemical substances that are not on the TSCA 
Inventory in any form are considered new chemical substances that 
require reporting under TSCA section 5. EPA has assessed over 170 of 
these nanoscale materials as new chemical substances and taken action 
to control exposures to prevent any potential unreasonable risks to 
human health or the environment pending development of information 
which will allow EPA to more fully assess those risks. Nanoscale 
materials based on chemical substances already on the TSCA Inventory 
are considered existing chemical substances. These nanoscale materials 
do not require reporting as new chemical substances because they are 
nanoscale forms of chemical substances already in commerce.
    EPA developed a voluntary Nanoscale Materials Stewardship Program 
(NMSP or ``the program'') to complement and support its regulatory 
activities on chemical substances manufactured at the nanoscale. EPA 
conducted the program from January 2008 to December 2009. Thirty one 
companies or associations submitted information to EPA for 132 chemical 
substances manufactured at the nanoscale with available information on 
how those nanoscale materials were manufactured, processed or used. For 
more details on the NMSP, see the program's interim report, a copy of 
which is in the docket (Ref. 24). EPA solicited existing data and 
information, on a voluntary basis, from manufacturers, processors, and 
users of chemical substances manufactured at the nanoscale to 
expeditiously develop knowledge about commercially available nanoscale 
materials. In addition, the program was designed to identify and 
encourage use of risk management practices in developing and 
commercializing chemical substances manufactured at the nanoscale. EPA 
also participated in a series of National Nanotechnology Initiative 
public workshops, including co-Chairing a public Risk Management 
Methods workshop. This workshop was also useful in further identifying 
additional considerations in risk management practices towards 
developing and commercializing chemical substances manufactured at the 
nanoscale of interest to EPA. In the NMSP interim report, which was 
based on the information EPA received prior to January 2009, EPA 
identified data needs for existing nanoscale material production, uses, 
and exposures. For example, in the report EPA estimated that companies 
provided information on only about 10 percent of the chemical 
substances manufactured at the nanoscale that may be commercially 
available in 2009.
    To address some of the data needs identified in the NMSP interim 
report, EPA is proposing reporting requirements under TSCA section 8(a) 
for persons who are manufacturing, or processing chemical substances 
manufactured at the nanoscale or intend to manufacture or process these 
nanoscale materials for commercial purposes. This information would 
facilitate EPA's evaluation of the materials and determination if any 
further action under TSCA, including additional information collection, 
is needed. By gathering data regarding the characteristics, uses, and 
exposure pertaining to chemical substances manufactured at the 
nanoscale, EPA will create a more robust database that will expand the 
Agency's understanding of commercially available nanoscale substances 
including available environmental health and safety data and risk 
management practices.

III. Summary of Proposed TSCA Section 8(a) Rule

    EPA is proposing reporting and recordkeeping requirements for 
manufacturers and processors of certain chemical substances pursuant to 
TSCA section 8(a).

A. What chemical substances would be reportable under this rule?

    1. Reportable chemical substances. This proposed rule would apply 
to chemical substances that are solids at 25 [deg]C and atmospheric 
pressure and that are manufactured or processed in a form where the 
primary particles, aggregates, or agglomerates are in the size range of 
1-100 nanometers (nm) and exhibit unique and novel characteristics or 
properties because of their size. The proposed rule would apply to 
chemical substances containing primary particles, aggregates, or 
agglomerates in the size range of 1-100 nm in at least one dimension. 
This proposed rule would not apply to chemical substances that only 
have trace amounts of primary particles, aggregates, or agglomerates in 
the size range of 1-100 nm, such that the chemical substance does not 
exhibit the unique and novel characteristics or properties because of 
particle size. EPA is proposing these parameters for purposes of 
identifying chemical substances that are subject to the rule, not to 
establish a definition of what is a nanoscale material.
    i. Discrete forms. Manufacturers and processors of multiple 
nanoscale forms of the same chemical substance would, in some cases, 
need to report separately for each discrete form of the reportable 
chemical substance. EPA is proposing to distinguish based on a 
combination of three factors: (1) a change in process to affect a 
change in size and/or a change in properties of the chemical substances 
manufactured at the nanoscale; (2) a change in mean particle size of 
10% or greater; and (3) the measured change in at least one of the 
following properties, zeta potential, specific surface area, dispersion 
stability, or surface reactivity, is greater than 7 times the standard 
deviation of the measured values (+/- 7 times the standard deviation). 
For example if the specific surface area of one discrete form was 
measured to be 50 +/- 5 m\2\/g, then a change resulting in a new 
average specific area of 85 m\2\/g would be reportable if factors 1 and 
2 were also met. EPA recommends using the same medium and method when 
measuring the change in these properties, as even minor changes in the 
medium and methods can result in large differences in the measured 
results. EPA's intent for proposing these reporting requirements is to 
focus reporting on intentionally manufactured chemical substances at 
the nanoscale.
    EPA is proposing the combination of these three factors rather than 
simply size to distinguish between different chemical substances 
manufactured at the nanoscale so that unintended variation in size 
range between production batches would not trigger TSCA section 8(a) 
reporting. Also, EPA is proposing not to rely solely on process changes 
because there may be process changes that are not intended to change 
the material produced but rather intended to improve the efficiency of 
the process or to use a cheaper reactant. EPA is focusing on the 
properties of zeta

[[Page 18335]]

potential, specific surface area, dispersion stability, or surface 
reactivity because these properties are of particular interest in a 
health and safety context, whereas other unique properties of chemical 
substances manufactured at the nanoscale (e.g., the wavelength at which 
light is emitted) may be important for how that form of the chemical 
substance functions but are less likely to be important in a health and 
safety context. EPA believes that the combination of these three 
factors will provide a clear and transparent way for the regulated 
community to distinguish among different chemical substances 
manufactured at the nanoscale for purposes of TSCA section 8(a) 
reporting.
    For the purposes of this proposed rule, specific surface area is 
the ratio of the surface area of the nanoscale material to its mass or 
the area of the surface of the nanoscale material divided by volume. 
This is an important factor because chemical reactions take place at 
the surface of the material. Thus, the higher the surface area, the 
greater the chemical reactivity, which is an important consideration 
for human health toxicity and environmental toxicity assessments. 
Specific surface area is the ratio of the area of the surface of a 
nanoscale material divided by the mass (m\2\/kg) or the area of the 
surface of the nanoscale material divided by volume (m\2\/m\3\).
    Zeta potential is the electrokinetic potential in colloidal 
systems. It is measured as the net number of positive and negative 
charges per unit particle surface area in Coulomb/m\2\ (Ref. 25) and is 
typically measured by electrophoresis.
    Dispersion stability is the ability of a dispersion to resist 
changes in properties over time and can be defined in terms of the 
change in one or more physical properties over a given time period. See 
ISO/TR 13097:2013 ``Guidelines for characterization of dispersion 
stability'' (Ref. 26) as an example.
    Surface reactivity is the degree to which the nanoscale material 
will react with biological systems. The surface reactivity of the form 
of a chemical substance is dependent upon factors such as redox 
potential which is a measure of the tendency of an entity to lose or 
acquire electrons, and photocatalytic activity, including the potential 
to generate free radicals. Reactive oxygen species (ROS) and free 
radicals are important in considering toxicity for these materials.
    A nanoscale form of a particular chemical substance with a 
different morphology or shape would also qualify as a discrete form. 
Examples include spheres, rods, ellipsoids, cylinders, needles, wires, 
fibers, cages, hollow shells, trees, flowers, rings, tori, cones, and 
sheets. Nanoscale forms of a particular chemical substance that are 
coated with different chemical substances would be considered discrete 
forms for each chemical coating.
    ii. Chemical mixtures. Chemical substances that are manufactured or 
processed in a nanoscale form solely as a component of a mixture, 
encapsulated material, or composite would also have to be reported. 
Chemical substances at the nanoscale that are manufactured but are then 
incorporated into mixtures, encapsulated materials or composites by 
that manufacturer would not require separate reporting for their 
incorporation. However, the person reporting the chemical substance 
would have to report each step of its manufacture, processing and use 
to the extent it is known or reasonably ascertainable.
    2. Substances excluded from reporting. EPA is proposing to exclude 
from the requirements of this rule certain biological materials (e.g., 
DNA, RNA, and proteins). EPA is seeking comment to identify other 
specific biological materials that should be excluded from reporting 
and the reasons for excluding them, including microorganisms and viral 
based products (or other combinations of RNA, DNA and protein), lipids, 
carbohydrates, enzymes, and peptides. However, the properties of 
biological materials such as DNA, RNA and proteins are not a function 
of the size range per se but rather the precise nucleotide sequence (in 
the case of DNA and RNA), shape, and other features.
    EPA is proposing to exclude chemical substances which dissociate 
completely in water to form ions that are less than 1 nanometer. This 
exclusion would not apply to chemical substances manufactured at the 
nanoscale materials that release ions but do not dissociate in water to 
form those ions. EPA believes that the chemical substances that would 
be excluded do not exhibit new properties when their size falls in the 
range of 1-100 nanometers and manufacture or processing such substances 
at the nanoscale should therefore not be subject to the reporting 
requirements of the proposed rule. EPA is seeking comment to identify 
other water soluble compounds that should be excluded from reporting 
and the reasons for excluding them.
    EPA is proposing to exclude from the requirements of this rule 
nanoclays, zinc oxide and chemical substances manufactured at the 
nanoscale as part of a film on a surface. The Agency believes that 
information collected on these materials would be of limited value 
because either they have been well-characterized or they present little 
exposure potential. EPA requests comment on these proposed exclusions 
and whether other chemical substances manufactured at the nanoscale 
should be excluded. EPA requests that commenters explain why they 
believe the chemical substances manufactured at the nanoscale should be 
excluded.
    3. General exemptions to TSCA Section 8(a) reporting. The general 
exemptions to TSCA section 8(a) reporting at 40 CFR 704.5 would be 
applicable to this proposed rule. This includes, among other 
exemptions, the exemption for research and development under which a 
person who manufactures or processes, a chemical substance only in 
small quantities for research and development would be exempt from the 
reporting requirements of this proposed rule. Examples of research and 
development (R&D) activity are the analysis of the chemical or physical 
characteristics, the performance, or the production characteristics of 
a chemical substance, a mixture containing the substance, or an 
article. It can include production of a chemical substance for use by 
others in their R&D activities. R&D activity generally includes 
specific monitored tests undertaken as part of a planned program of 
activity.
    EPA is proposing an alternate exemption for the existing small 
manufacturer exemption. Under other TSCA section 8(a) rules, a company 
qualifies as a small manufacturer in 40 CFR 704.3 by meeting either of 
the following two standards. The first is that sales of the company are 
less than $40 million per year and the company does not manufacture 
more than 100,000 pounds annually of an individual substance at any 
individual site owned or controlled by the company. The second is that 
sales are less than $4 million regardless of the quantity manufactured.
    EPA is proposing a different exemption for purposes of this rule by 
eliminating the first standard and defining a small manufacturer or 
processor as any company with sales of less than $4 million. The 
100,000-pound threshold in the existing exemption did not contemplate 
typical production volumes for chemical substances manufactured at the 
nanoscale. EPA has reviewed over 200 chemical substances manufactured 
at the nanoscale in the NMSP and the new chemicals program under TSCA. 
At least 170 of those

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chemical substances manufactured at the nanoscale had reported or 
estimated production volumes less than 22,000 pounds. Based on this 
experience, exempting manufacturers or processors from reporting annual 
production volumes of up to 100,000 pounds would exclude a large 
proportion of companies that characteristically manufacture chemical 
substances manufactured at the nanoscale in small amounts but would not 
otherwise be considered small. Given that chemical substances 
manufactured at the nanoscale tend to be produced in small volumes, EPA 
does not believe production volume should be a relevant consideration 
in determining whether a nanotechnology company is a small manufacturer 
or processor. EPA requests comment on the proposed small manufacturer 
or processor exemption that would apply for this proposed rule.
    4. Proposed exceptions to reporting. The proposed rule would not 
require manufacturers or processors to report certain information that 
has already been submitted to EPA. A person who submitted a TSCA 
chemical notice under section 5 to EPA on or after January 1, 2005 
would not be required to report regarding the same substance under this 
proposed TSCA section 8(a) rule except where the person manufactured or 
processed a new discrete form of the reportable chemical substance. In 
addition, any person who has already reported part of or all of the 
information that would be required under this proposed TSCA section 
8(a) rule under the NMSP would not need to report that information 
again under this proposed TSCA section 8(a) rule. If, however, 
information required by this proposed rule was not reported under 
section 5 or the NMSP (including information for each discrete form of 
a reportable chemical substance), then reporting of that information 
would be required under this proposed TSCA section 8(a) rule. The 
purpose of these exemptions is to avoid duplicative reporting. For 
example new chemical notices that have been reviewed as nanoscale 
materials would not be subject to reporting the same information under 
this rule.

B. When would reporting be required?

    EPA proposes that persons who manufacture or process a discrete 
form of a reportable chemical substance at any time during the three 
years prior to the final effective date of the rule would report to EPA 
six months after the final effective date of the rule. EPA also 
proposes a continuing requirement that persons who intend to 
manufacture or process a discrete form of a reportable chemical 
substance on or after the effective date of the rule would report to 
EPA at least 135 days before commencement of manufacture or processing.
    The 135-day period is based on EPA's experience with PMN 
submissions. TSCA section 8(a) applies to a person ``who manufactures 
or processes or proposes to manufacture or process a chemical 
substance''. A company proposes to manufacture or process a chemical 
substance by forming the intent to do so. Based on EPA's experience, 
persons form the intent to manufacture or process chemical substances 
at least 135 days ahead of time. This belief is based on EPA's 
experience with Premanufacture Notice (PMN) submissions and subsequent 
notices of commencement (NOCs). Pursuant to section 5(a)(1) of TSCA and 
40 CFR 720.22, PMNs are submitted by a person who intends to 
manufacture a chemical substance, at least 90 days before commencing 
manufacture. Under 40 CFR 720.102, a company that has submitted a PMN 
for which the statutory 90-day review period has expired and which has 
commenced manufacture of that substance must submit an NOC to EPA 
within 30 days following commencement. For fiscal years 2009-2011, EPA 
received 1,723 PMNs. Based on EPA's review of NOC receipt date 
information, EPA determined that NOCs were received within 45 days of 
completion of the 90-day PMN review for only 16% of these submitted 
PMNs. Thus, for 84% of the submitted PMNs, the intent to manufacture 
was formed at least 135 days (i.e., the 90-day PMN review period plus 
45 days) before commercialization. Because a company must by necessity 
form the intent to manufacture a chemical substance some period of time 
before the PMN is submitted to EPA, the intent to manufacture or 
process would be made at least 135 days in advance as a general matter.

C. What information would be reported?

    This TSCA section 8(a) rule proposes one-time reporting of certain 
information, including specific chemical identity, production volume, 
methods of manufacture and processing, use, exposure and release 
information, and available health and safety data.
    EPA developed an information reporting form for the NMSP (Ref. 27) 
which has been slightly modified for purposes of this proposed rule. 
The same information that was requested in the NMSP would be required 
by this proposed rule, including information on specific chemical 
identity, material characterization, physical chemical properties, 
production volume, use, methods of manufacturing and processing, 
exposure and release information, and existing data concerning the 
environmental and health effects. The information would be reported on 
a form similar to that used in the NMSP (Ref. 27). Any person required 
to report under this proposed rule would supply the information 
identified in the form to the extent it is known to or reasonably 
ascertainable by them. A draft of the proposed reporting form (EPA Form 
No. 7710-[tbd]) is available in the docket for public review (Ref. 28).
    EPA is requesting comment on whether any information proposed to be 
collected requested in this proposed rule is duplicative of information 
collected under other federal statutes and, thus should be excluded. 
Please identify the statute and the information that you believe is 
duplicative.

D. How would information be submitted to EPA?

    EPA is proposing electronic reporting similar to the requirements 
established in 2013 for submitting other information under TSCA (see 
proposed 704.20(e)). EPA is proposing to require submitters to use 
EPA's CDX, the Agency's electronic reporting portal, for all reporting 
under this rule. In 2013 (Ref. 1), EPA finalized a rule to require 
electronic reporting of certain information submitted to the Agency 
under TSCA sections 4, 5, 8(a) and 8(d). The final rule follows two 
previous rules requiring similar electronic reporting of information 
submitted to EPA for TSCA Chemical Data Reporting and for Pre-
Manufacture Notifications. In proposing to require similar electronic 
reporting under this rule, EPA intends to save time, improve data 
quality and increase efficiencies for both the submitters and the 
Agency.
    EPA developed the Chemical Information Submission System (CISS) for 
use in submitting data for TSCA sections 4, 8(a), and 8(d) 
electronically to the Agency. The tool is available for use with 
Windows, Macs, Linux, and UNIX based computers, using ``Extensible 
Markup Language'' (XML) specifications for efficient data transmission 
across the Internet. CISS, a web-based reporting tool, provides user-
friendly navigation, works with CDX to secure online communication, 
creates a completed Portable Document Format (PDF) for review prior to 
submission, and enables data, reports, and other information to be 
submitted easily as PDF attachments, or by other electronic standards, 
such as XML.

[[Page 18337]]

    EPA is proposing to require submitters to follow the same 
submission procedures used for other TSCA submissions, i.e., to 
register with EPA's CDX and use CISS to prepare a data file for 
submission. Registration enables CDX to authenticate identity and 
verify authorization. To submit electronically to EPA via CDX, 
individuals must first register with that system at http://cdx.epa.gov/epa_home.asp. To register in CDX, the CDX registrant (also referred to 
as ``Electronic Signature Holder'' or ``Public/Private Key Holder'') 
agrees to the Terms and Conditions, provides information about the 
submitter and organization, selects a user name and password, and 
follows the procedures outlined in the guidance document for CDX 
available at http://www.epa.gov/cdr/tools/CDX_Registration_Guide_v0_02.pdf.
    Users who have previously registered with CDX for other TSCA 
submissions, Chemical Data Reporting, or the Toxic Release Inventory 
TRI-ME web reporting flow, would be able to add the ``Submission for 
Chemical Safety and Pesticide Program (CSPP)'' CDX flow to their 
current registration, and use the CISS web-based reporting tool.
    All submitters would be required to use CISS to prepare their 
submissions. CISS guides users through a ``hands-on'' process of 
creating an electronic submission. Once a user completes the relevant 
data fields, attaches appropriate PDF files, or other file types, such 
as XML files, and completes metadata information, the web-based tool 
validates the submission by performing a basic error check and makes 
sure all the required fields and attachments are provided and complete. 
Further instructions on submitting voluntary submissions, such as under 
MOUs, are available, and instructions for uploading PDF attachments or 
other file types, such as XML, and completing metadata information 
would be available through CISS reporting guidance.
    CISS, a web-based reporting tool, also allows the user to choose 
``Print,'' ``Save,'' or ``Transmit through CDX.'' When ``Transmission 
through CDX'' is selected, the user is asked to provide the user name 
and password that was created during the CDX registration process. CISS 
then encrypts the file and submits it via CDX. The user will login to 
the application and check the status of their submissions. Upon 
successful receipt of the submission by EPA, the status of the 
submissions will be flagged as ``Completed.'' The CDX inbox is 
currently used to notify the users of any correspondence related to 
user registration. Information on accessing the CDX user inbox is 
provided in the guidance document for CDX at http://www.epa.gov/cdr/tools/CDX_Registration_Guide_v0_02.pdf. To access CISS go to https://cdx.epa.gov/ssl/CSPP/PrimaryAuthorizedOfficial/Home.aspx and follow the 
appropriate links and for further instructions to go http://www.epa.gov/oppt/chemtest/ereporting/index.html. Procedures for 
reporting chemical substances under this proposed rule would be 
similar. EPA will put a version of the reporting tool in the docket for 
commenters, and is interested in feedback on the extent of and burden 
associated with training for using CDX.
    EPA believes that electronic reporting reduces the reporting burden 
for submitters by reducing the cost and time required to review, edit, 
and transmit data to the Agency. It also allows submitters to share a 
draft submission within their organization, and more easily save a copy 
for their records or future use. The resource and time requirements to 
review and process data by the Agency will also be reduced and document 
storage and retrieval will require fewer resources. EPA expects to 
benefit from receiving electronic submissions and communicating back 
electronically with submitters.
    Any person submitting a reporting form could claim any part or all 
of the form as CBI. Any information which is claimed as confidential 
will be disclosed by EPA only to the extent and by the means of the 
procedures set forth in 40 CFR part 2.

IV. Development of Additional Data in Connection With the TSCA Section 
8(a) Rule

    A TSCA section 8(a) rule may require persons subject to the rule to 
submit test data in their possession or control and to describe any 
other data known to or reasonably ascertainable by them, but may not 
require persons to develop test data for submission to the Agency. 
However, in view of the lack of information regarding chemical 
substances manufactured at the nanoscale, EPA would encourage 
respondents to this proposed rule to provide the Agency with any 
relevant data on chemical substances manufactured at the nanoscale they 
decide to develop.
    Persons choosing to develop test data should provide data that 
conform to the Good Laboratory Practice Standards, which are codified 
at 40 CFR part 792. There are also standard test methods available for 
properties and information identified in the proposed rule from a 
number of sources. Some of these sources include but are not limited to 
ASTM International, the International Organization for Standardization, 
the National Institute of Standards and Technology, and the 
Organization for Economic Cooperation and Development. EPA encourages 
persons who intend to conduct testing to consult with the Agency before 
selecting a protocol for testing a chemical substance manufactured at 
the nanoscale. EPA would also encourage persons that would be required 
to submit TSCA section 8(a) data under this proposed rule to provide 
information on the potential benefits regarding the reportable chemical 
substance.

V. Request for Comments

    EPA is seeking public comment on all aspects of this proposed rule. 
In addition to specific requests for comment included throughout this 
document, EPA is interested in comments pertaining to the specific 
issues discussed in this unit. EPA also anticipates conducting a public 
meeting during the comment period to further discuss these and any 
other issues concerning the proposed rule.
    1. Identifying the chemical substances that would be subject to 
reporting. EPA has developed the proposed approach based on the 
approximate size range of 1-100 nm as used by the NNI for defining 
nanotechnology (Ref. 6), experience in conducting assessments of new 
chemicals manufactured at the nanoscale by EPA under TSCA, and data 
submitted to EPA under the NMSP. EPA is soliciting comment on each 
aspect of the proposed approach to identifying the chemical substances 
that would be subject to the reporting requirements of the rule. The 
Agency is seeking comment on these approaches and alternative 
approaches for reporting requirements. For example the proposed rule 
would apply to reportable chemical substances that contain primary 
particles, aggregates, or agglomerates in the size range of 1-100 nm in 
at least one dimension. EPA is seeking comments on that aspect of 
reportable chemical substances. EPA is asking commenters if the current 
proposal sufficiently encompasses these types of reportable chemical 
substances.
    2. Distinguishing between nanoscale forms of a reportable chemical 
substance. EPA considered several different approaches to distinguish 
between nanoscale forms of a reportable chemical substance including a 
percentage or numerical change in measured properties. The agency is 
also seeking comment on an approach based solely on the behavior of the 
reportable chemical substance. For example, if a manufacturer or 
processor knows about

[[Page 18338]]

or engineers a reportable chemical substance with multiple nanoscale 
forms with different performance characteristics then each nanoscale 
form would be reported. If multiple nanoscale forms of a reportable 
chemical substance do not perform differently then only a single report 
of the entire range would be reported. EPA is seeking comment on these 
and other alternative approaches. EPA is especially interested in 
comments on whether these approaches would require reporting of 
sufficiently distinct nanoscale forms of a chemical substance so that 
reporting would be focused on those nanoscale forms with potential for 
significantly different physical or chemical characteristics or 
properties. EPA also seeks comment on each aspect of its proposed 
reporting such as size increments, the number of standard deviations, 
morphology, the specific physical-chemical properties identified, 
exclusions to reporting, and whether companies have the analytical 
tools to make such distinctions.
    3. Reporting discrete forms at least 135 days before commencement 
of manufacture or processing. As discussed in Unit III.B., EPA proposed 
the 135-day period based on EPA's experience with PMN submissions, and 
the determination that the intent to manufacture was formed at least 
135 days before commercialization (i.e., the 90-day PMN review period 
plus 45 days). EPA is specifically seeking comment on whether this 
time-period should be 135 days as proposed, 90 days to be similar to 
the PMN review period, or some other time period. It would be most 
helpful if commenters explain why the time period they suggest is 
appropriate.
    4. Considerations for the Agency's economic analysis. EPA has 
evaluated the potential costs for manufacturers and processors of 
reportable chemical substances for this proposed rule (Ref. 3). EPA is 
specifically seeking additional information and data that EPA could 
consider in developing the final economic analysis. In particular, data 
that could facilitate the Agency's further evaluation of the 
potentially affected industry and firms, including data related to 
potential impacts for those small businesses that would be subject to 
reporting. EPA is especially interested in available data or other 
measures of the number of and potential growth in the number of 
commercial nanoscale materials or firms that might manufacture or 
process such materials.
    5. Electronic reporting. In proposing to require electronic 
reporting under this rule that is similar to those established in 2013 
for other TSCA reporting, EPA intends to save time, improve data 
quality and increase efficiencies for both the submitters and the 
Agency. EPA is specifically interested in comments related to the 
adoption of the existing mechanisms and related procedures for use in 
transmitting the reports proposed in this rule, including comments 
related to the extent to which potentially reporting entities are 
already familiar with those mechanisms given their existing use for 
other TSCA reporting. EPA is also interested in feedback on how 
electronic reporting mechanisms affect reporting entities in terms of 
reporting time, added efficiencies, and potential burden associated 
with training to use the electronic systems (i.e., CDX and CISS).
    6. Consideration of potential future rulemaking regarding periodic 
reporting. EPA is also seeking comment on the possibility of a future 
rule that would require periodic reporting of chemical substances 
manufactured at the nanoscale, similar to reporting that occurs under 
the Chemical Data Reporting (CDR) rule at 40 CFR part 711. Such a rule 
could require manufacturers and processors of chemical substances 
manufactured at the nanoscale to report the type of information 
collected under the CDR rule to EPA at the same reporting interval as 
currently required by CDR reporting (every four years). That reporting 
could occur at lower thresholds for criteria such as production volume. 
The CDR is a program designed to collect screening-level, exposure-
related information on chemical substances and to make that information 
available for use by EPA and to the public consistent with 
confidentiality under TSCA Section 14 and EPA regulations in 40 CFR 
part 2. The CDR rule data are used by EPA to support risk screening, 
assessment, priority setting and management activities and constitute 
the most comprehensive source of basic screening-level, exposure-
related information on chemicals available to EPA. For further 
information see http://www.epa.gov/oppt/cdr.

VI. References

    The following is a listing of the documents that are specifically 
referenced in this document. The docket includes these references and 
other information considered by EPA. For assistance in locating these 
other documents, please consult the technical contact listed under FOR 
FURTHER INFORMATION CONTACT.

1. 2013. EPA. Electronic Reporting Under the Toxic Substances 
Control Act; Final Rule. Federal Register (78 FR 72818, December 4, 
2013) (FRL 9394-6).
2. 2011. Executive Office of the President. Policy Principles for 
the U.S. Decision-Making Concerning Regulation and Oversight of 
Applications of Nanotechnology and Nanomaterials. http://www.whitehouse.gov/sites/default/files/omb/inforeg/for-agencies/nanotechnology-regulation-and-oversight-principles.pdf.
3. 2015. EPA. Economic Analysis for the TSCA Section 8(a) Proposed 
Reporting Requirements for Certain Nanoscale Materials (RIN 2070-
AJ54). March 12, 2015.
4. 2005. EPA. Cross-Media Electronic Reporting Rule (CROMERR); Final 
Rule. Federal Register (70 FR 59848, October 13, 2005) (FRL-7977-1).
5. 2005. Oberd[ouml]rster, Gunter, Oberd[ouml]rster, Eva, and 
Oberd[ouml]rster, Jan. Nanotoxicology: an emerging discipline 
evolving from studies of ultrafine particles. Environmental Health 
Perspectives. (113): 823-839.
6. 2014. National Nanotechnology Initiative (NNI). ``Supplement to 
the President's 2015 Budget,'' p. 3. http://www.nano.gov/sites/default/files/pub_resource/nni_fy15_budget_supplement.pdf.
7. 2009. Auffan, Melanie, Rose, Jerome, Bottero Jean-Yves, Lowry, 
Gregory V Jolivet Jean-Pierre, and Wiesner, Mark R. Towards a 
definition of inorganic nanoparticles from an environmental, health 
and safety perspective. Nature Nanotechnology 4, 634-641. Published 
online: 13 September 2009 [bond] doi:10.1038/nnano.2009.242.
8. 2009. NIOSH. Approaches to Safe Nanotechnology: Managing the 
Health and Safety Concerns Associated with Engineered Nanomaterials. 
Available on-line at http://www.cdc.gov/niosh/docs/2009-125/pdfs/2009-125.pdf.
9. 2009. European Commission, Directorate-General for Health and 
Consumers. Scientific Committee on Emerging and Newly Identified 
Risks (SCENIR), Report: Risk Assessment of Products of 
Nanotechnologies. Available on-line at http://ec.europa.eu/health/ph_risk/committees/04_scenihr/docs/scenihr_s_01.pdf.
10. 2009. Seaton, Anthony, Tran, Lang, Aitken, Robert, and 
Donaldson, Kenneth. Nanoparticles, human health hazard and 
regulation. Journal of the Royal Society, Available on-line at 
http://rsif.royalsocietypublishing.org/content/early/2009/08/31/rsif.2009.0252.focus.full#ref-14 .
11. 2010. Wick, Peter, Malek, Antoine, Manser, Pius, Meili, 
Danielle, Maeder-Althaus, Xenia, Diener, Liliane, Diener, Pierre-
Andre, Zisch, Andreas, Krug, Harold F, and Mandach, Ursula von. 
Barrier Capacity of Human Placenta for Nanosized Materials. 
Environmental Health Perspectives. (118):432-436.
12. 2008. Kim, Yong Soon, Kim, Jin Sik, Cho, Hyun Sun, Rha, Dae Sik, 
Kim, Jae Min, Park, Jung Duck, Choi, Byung Sun, Lim, Ruth, Chang, 
Hee Kyung, Chung, Yong Hyun, Kwon, Il Hoon, Jeong, Jayoung, Han, 
Beom Seok, and Yu, Il Je. Twenty-

[[Page 18339]]

Eight Day Oral Toxicity, Genotoxicity, and Gender-Related Tissue 
Distribution of Silver Nanoparticles in Sprague-Dawley Rats. 
Inhalation Toxicology. 20 (6): 575-583.
13. 2008. Handy, Richard D., Von der Kammer, Frank, Lead, Jamie R., 
Hassello, Martin, Owen, Richard, and Crane, Mark. The ecotoxicology 
and chemistry of manufactured nanoparticles. Ecotoxicology 17:287-
314.
14. 2008. Klaine, Stephen J., Alvarez, Pedro J., Batley, Graeme E., 
Fernandes, Teresa F., Handy, Richard D., Lyon, Delina Y., Mahendra, 
Shaily, McLaughlin, Michael J., and Lead, Jamie R. Nanomaterials in 
the Environment: Behavior, Fate, Bioavailability, and Effects. 
Environmental Toxicology and Chemistry. 27: 1825-1851.
15. 2007. Federici, Gillian, Shaw, Benjamin J., and Handy, Richard 
D. Toxicity of titanium dioxide to rainbow trout (Oncorhynchus 
mykiss): Gill injury, oxidative stress, and other physiological 
effects. Aquatic Toxicology. 84: 415-430.
16. 2007. Roberts, Aaron P., Mount, Andrew S., Seda, Brandon, 
Souther, Justin, Qiao, Rui, Lin, Sijie, Ke, Pu Chun, Rao, Apparao 
M., and Klaine, Stephen J. In vivo biomodification of lipid coated 
carbon nanotubes by Daphnia magna. Environmental Science and 
Technology. 41: 3025-3029.
17. 2006. Lovern, Sarah B., and Klaper, Rebecca. Daphnia magna 
mortality when exposed to titanium nanoparticles and fullerene (C60) 
nanoparticles. Environmental Toxicology and Chemistry. 25: 1132-
1137.
18. 2006. Oberd[ouml]rster, Eva, Zhu, Shiqian, Zhu, Blickley, T. 
Michelle, McClellan-Green, Patricia, and Haasch, Mary L. 
Ecotoxicology of carbon-based engineered nanoparticles: effects of 
fullerene (C-60) on aquatic organisms. Carbon. 44: 1112-1120.
19. 2006. Kashiwada, Shosaku. Distribution of nanoparticles in the 
see-through Medaka (Oryzias latipes). Environmental Health 
Perspectives. 114: 1697-1702.
20. 2007. Cheng, Jinping, Flahaut, Emmanuel, and Cheng, Shuk Han. 
Effect of carbon nanotubes on developing zebra fish (Danio rerio) 
embryos. Environmental Toxicology and Chemistry. 26:708-716.
21. 2013. NIOSH. Current Intelligence Bulletin 65: Occupational 
Exposure to Carbon Nanotubes and Nanofibers at http://www.cdc.gov/niosh/docs/2013-145/pdfs/2013-145.pdf.
22. 2007. EPA. EPA Nanotechnology White Paper. Available online at 
http://www.epa.gov/osa/pdfs/nanotech/epa-nanotechnology-whitepaper-0207.pdf.
23. 2008. EPA. TSCA Inventory Status of Nanoscale Substances--
General Approach. Available online at http://www.epa.gov/oppt/nano/nmsp-inventorypaper2008.pdf.
24. 2009. EPA. EPA Interim Report on the Nanoscale Materials 
Stewardship Program. Available online at http://www.epa.gov/oppt/nano/nmsp-interim-report-final.pdf.
25. 2012. International Organization for Standardization (ISO). 
Nanotechnologies--Guidance on Physicochemical Characterization for 
Manufactured Nano-objects Submitted for Toxicological Testing. ISO/
TR (Technical Report) ISO/TR 13014:2012.
26. 2013. ISO/TR. Guidelines for Characterization of Dispersion 
Stability. ISO/TR 13097:2013.
27. 2008. EPA. Nanoscale Materials Stewardship Program Data 
Submission Form. EPA Form No. 7710-25-NMSP; EPA ICR No. 2250.01; OMB 
Control No. 2070-0170.
28. 2015. EPA. Proposed Data Submission Form. TSCA 8(a) Data 
Reporting for Nanoscale Materials. EPA Form No. 7710-[tbd]; EPA ICR 
No. 2517.01; OMB Control No. 2070-NEW.
29. 2015. EPA. Proposed Addendum to an Existing EPA ICR Entitled: 
Chemical-Specific Rules, Toxic Substances Control Act Section 8(a). 
EPA ICR No. 2517.01; OMB Control No. 2070-NEW.

VII. Statutory and Executive Order Reviews

A. Executive Order 12866: Regulatory Planning and Review and Executive 
Order 13563: Improving Regulation and Regulatory Review

    The Office of Management and Budget (OMB) has designated this 
proposed rule as a ``significant regulatory action'' under section 3(f) 
of Executive Order 12866 (58 FR 51735, October 4, 1993). Accordingly, 
EPA submitted this proposed rulemaking to OMB for review under 
Executive Order 12866 and Executive Order 13563 (76 FR 3821, January 
21, 2011), and any changes made in response to OMB comments have been 
documented in the public docket for this rulemaking as required by 
section 6(a)(3)(E) of Executive Order 12866.

B. Paperwork Reduction Act (PRA)

    An agency may not conduct or sponsor, and a person is not required 
to respond to an information collection request subject to the PRA, 44 
U.S.C. 3501 et seq., unless it displays a currently valid OMB control 
number. The OMB control numbers for EPA's regulations are listed in 40 
CFR part 9 and included on any related collection instrument (e.g., on 
the form or survey).
    The information collection requirements in 40 CFR part 704 related 
to TSCA section 8(a) reporting rules have already been approved by OMB 
under the PRA. That information collection request (ICR) has been 
assigned EPA ICR No. 1198.10 and OMB Control No. 2070-0067. Because 
this proposed rule would involve revised information collection 
activities that require additional OMB approval, EPA has prepared an 
addendum to the currently approved ICR. The addendum, identified under 
EPA ICR No. 2517.01 and OMB Control No. 2070-NEW (Ref. 29), is 
available in the docket and is briefly summarized here.
    If an entity were to submit a report to the Agency, the annual 
burden is estimated to average 137 hours per response. Burden is 
defined in 5 CFR 1320.3(b). As presented in the economic analyses and 
the ICR addenda, EPA estimates that the proposed TSCA section 8(a) rule 
would create an industry burden of approximately 206,098 hours in the 
first year and 22,755 hours in subsequent years.
    To comment on the Agency's need for this information, the accuracy 
of the provided burden estimates, and any suggested methods for 
minimizing respondent burden, EPA has established a docket for this 
proposed rule, which includes this ICR, under docket ID number EPA-HQ-
OPPT-2010-0572. Submit any comments related to the ICR to EPA and OMB. 
See ADDRESSES for where to submit comments to EPA. Send comments to OMB 
via email to oira_submission@omb.eop.gov. Address comments to OMB Desk 
Officer for EPA.
    Since OMB is required to make a decision concerning the ICR between 
30 and 60 days after April 6, 2015, a comment to OMB is best assured of 
having its full effect if OMB receives it by May 6, 2015. The final 
rule will respond to any OMB or public comments on the information 
collection requirements contained in this proposed rule.

C. Regulatory Flexibility Act (RFA)

    Pursuant to section 605(b) of the RFA, 5 U.S.C. 601 et seq., I 
hereby certify that this action would not have a significant adverse 
economic impact on a substantial number of small entities. The 
rationale supporting this conclusion is summarized here, and is 
presented in a small entity impact analysis that EPA prepared for this 
proposed action that is part of the Agency's economic analysis in the 
public docket for this proposed rule (Ref. 3).
    Under the RFA, small entities include small businesses, small 
organizations, and small governmental jurisdictions. For purposes of 
assessing the impacts of this proposed rule on small entities, small 
entity is defined as: (1) a small business, as defined by the Small 
Business Administration's (SBA) regulations at 13 CFR 121.201; (2) a 
small governmental jurisdiction that is a government of a city, county, 
town, school district or special district with a population of less 
than 50,000; and (3) a small organization that is any not-for-

[[Page 18340]]

profit enterprise which is independently owned and operated and is not 
dominant in its field. Since the regulated community is not expected to 
include small governmental jurisdictions or small not-for-profit 
organizations, the analysis focuses on small businesses.
    A small business exemption exists under TSCA section 8(a) reporting 
rules, at 40 CFR 704.5(f). For this action, EPA is proposing to modify 
the exemption. EPA analyzed potential small business impacts from this 
proposed rule using both the SBA employee size standards and the TSCA 
sales-based definition of small business. EPA estimates that up to 174 
small businesses may be impacted by the proposed TSCA section 8(a) 
reporting rule and evaluated the number that may incur costs at below 
1%, between 1% and 3%, and above 3% of sales. EPA estimates that all 
174 small businesses identified would incur costs below 1% of sales.
    EPA continues to be interested in the potential impacts of this 
proposed rule on small entities that are not exempt from reporting and 
welcomes comments on issues related to such impacts.

D. Unfunded Mandates Reform Act (UMRA)

    Based on EPA's experience with proposing and finalizing rules under 
TSCA section 8(a), State, local and Tribal governments have not been 
impacted by these rulemakings, and EPA does not have any reason to 
believe that any State, local or Tribal government would be impacted by 
this rulemaking. In addition, this action will not result in annual 
expenditures of $100 million or more for the private sector. As such, 
EPA has determined that this action does not impose any enforceable 
duty, contain any unfunded mandate, or otherwise have any effect on 
small governments, and that the requirements of sections 202, 203, 204, 
or 205 of UMRA, 2 U.S.C. 1531-1538, do not apply to this action.

E. Executive Order 13132: Federalism

    This action does not have substantial direct effects on the states, 
on the relationship between the national government and the states, or 
on the distribution of power and responsibilities among the various 
levels of government, as specified in Executive Order 13132 (64 FR 
43255, August 10, 1999).

F. Executive Order 13175: Consultation and Coordination With Indian 
Tribal Governments

    This action does not have tribal implications because it will not 
have any effect on tribal governments, on the relationship between the 
Federal government and the Indian tribes, or on the distribution of 
power and responsibilities between the Federal government and Indian 
tribes, as specified in Executive Order 13175 (65 FR 67249, November 9, 
2000).

G. Executive Order 13045: Protection of Children From Environmental 
Health Risks and Safety Risks

    EPA interprets Executive Order 13045 (62 FR 19885, April 23, 1997), 
as applying only to those regulatory actions that concern health or 
safety risks, such that the analysis required under section 5-501 of 
Executive Order 13045 has the potential to influence the regulation. 
This action is not subject to Executive Order 13045 because it does not 
establish an environmental standard intended to mitigate health or 
safety risks. Nevertheless, the information obtained by the reporting 
required by this proposed rule will be used to inform the Agency's 
decision-making process regarding chemical substances to which children 
may be disproportionately exposed. This information will also assist 
the Agency and others in determining whether the chemical substances 
addressed in this proposed rule present potential risks, allowing the 
Agency and others to take appropriate action to investigate and 
mitigate those risks.

H. Executive Order 13211: Actions Concerning Regulations That 
Significantly Affect Energy Supply, Distribution, or Use

    This action is not a ``significant energy action'' as defined in 
Executive Order 13211 (66 FR 28355, May 22, 2001), because it is not 
likely to have a significant adverse effect on energy supply, 
distribution, or use.

I. National Technology Transfer and Advancement Act (NTTAA)

    Since this action does not involve any technical standards, NTTAA 
section 12(d), 15 U.S.C. 272 note, does not apply to this action.

J. Executive Order 12898: Federal Actions To Address Environmental 
Justice in Minority Populations and Low-Income Populations

    This action does not entail special considerations of environmental 
justice related issues as delineated by Executive Order 12898 (59 FR 
7629, February 16, 1994), because EPA has determined that this action 
will not have disproportionately high and adverse human health or 
environmental effects on minority or low-income populations. This 
action does not affect the level of protection provided to human health 
or the environment.
    This action does not affect the level of protection provided to 
human health or the environment. However, the Agency believes that the 
information collected under this proposed rule, if finalized, will 
assist EPA and others in determining the potential hazards and risks 
associated with various chemicals manufactured processed, and used at 
the nanoscale. Although not directly impacting environmental justice-
related concerns, this information will enable the Agency to better 
protect human health and the environment, including in low-income and 
minority communities.

List of Subjects in 40 CFR Part 704

    Environmental protection, Chemicals, Hazardous materials, 
Recordkeeping, and Reporting Requirements.

    Dated: March 20, 2015.
James Jones,
Assistant Administrator, Office of Chemical Safety and Pollution 
Prevention.

    Therefore, 40 CFR chapter I is proposed to be amended as follows:

PART 704 [AMENDED]

0
 1. The authority citation for part 704 continues to read as follows:

    Authority:  15 U.S.C. 2607(a).

0
 2. Add Sec.  704.20 to Subpart B, to read as follows


Sec.  704.20  Chemical substances manufactured or processed at the 
nanoscale.

    (a) Definitions. For purposes of this section the terms below are 
defined as follows:
    An agglomerate is a collection of weakly bound particles or 
aggregates or mixtures of the two where the resulting external surface 
area is similar to the sum of the surface areas of the individual 
components.
    An aggregate is a particle comprising strongly bonded or fused 
particles where the resulting external surface area may be 
significantly smaller than the sum of calculated surface areas of the 
individual components.
    Central Data Exchange or CDX means EPA's centralized electronic 
submission receiving system.
    Chemical Information Submission System or CISS means EPA's 
electronic, web-based reporting tool for the completion and submission 
of data, reports, and other information, or its successors.
    A discrete form of a reportable chemical substance differs from 
another

[[Page 18341]]

form of the same reportable chemical substance in that either:
    (1) The change in the reportable chemical substance is due to all 
of the following:
    (i) There is a change in process to affect a change in size and/or 
a change in one or more of the properties of the reportable chemical 
substances identified in (iii);
    (ii) There is a size variation in the mean particle size that is 
greater than 7 times the standard deviation of the mean particle size 
(+/- 7 times the standard deviation); and
    (iii) There is a measured change in at least one of the following 
properties, zeta potential, specific surface area, dispersion 
stability, or surface reactivity, is greater than 7 times the standard 
deviation of the measured value (+/- 7 times the standard deviation);
    (2) The reportable chemical substance has a different morphology. 
Examples of morphologies include but are not limited to sphere, rod, 
ellipsoid, cylinder, needle, wire, fiber, cage, hollow shell, tree, 
flower, ring, torus, cone, and sheet; or
    (3) A reportable chemical substance that is coated with another 
chemical substance or mixture at the end of manufacturing or processing 
has a coating that consists of a different chemical substance or 
mixture.
    The Nanoscale Materials Stewardship Program was a program conducted 
by EPA from January 2008 to December 2009 under which some nanoscale 
material manufacturers and processors voluntarily provided EPA 
available information on engineered nanoscale materials that were 
manufactured processed or used.
    Primary particles are particles or droplets that form during 
manufacture of a chemical substance before aggregation or 
agglomerization occurs.
    A reportable chemical substance is a chemical substance that is 
solid at 25 [deg]C and atmospheric pressure that is manufactured or 
processed in a form where the primary particles, aggregates, or 
agglomerates are in the size range of 1-100 nm and exhibit unique and 
novel characteristics or properties because of their size. A reportable 
chemical substance does not include a chemical substance that only has 
trace amounts of primary particles, aggregates, or agglomerates in the 
size range of 1-100 nm, such that the chemical substance does not 
exhibit the unique and novel characteristics or properties because of 
particle size.
    A small manufacturer or processor means any manufacturer or 
processor whose total annual sales, when combined with those of its 
parent company (if any), are less than $ 4 million. The definition of 
small manufacturer in section 704.3 of this title does not apply to 
reporting under this section (40 CFR 704.20).
    Specific surface area means the ratio of the area of the surface of 
the reportable chemical substance to its mass or volume. Specific 
surface area by mass is the ratio of the area of the surface of a 
nanoscale material divided by the mass (m\2\/kg) and the specific 
surface area by volume is the area of the surface of the reportable 
chemical substance divided by its volume m\2\/m\3\.
    Zeta Potential is the electrokinetic potential in colloidal 
systems. It is measured as the net number of positive and negative 
charges per unit particle surface area in Coulomb/m\2\.
    Surface reactivity means the reactivity at the surface of a 
reportable chemical substance. It is dependent upon factors such as 
redox potential, which is a measure of the tendency of a substance to 
lose or acquire electrons, photocatalytic activity, including the 
potential to generate free radicals.
    (b) Persons who must report.
    (1) Manufacturers and processors of a discrete form of a reportable 
chemical substance during the three years prior to the final effective 
date of the rule must report except as provided in paragraph (c) of 
this section.
    (2) Persons who propose to manufacture or process a discrete form 
of a reportable chemical substance after the final effective date of 
the rule which was not reported under paragraph (b)(1) must report 
except as provided in paragraph (c) of this section.
    (c) When reporting is not required.
    (1) The following chemical substances are not subject to reporting 
under this section:
    (i) Zinc oxide
    (ii) Nanoclays
    (iii) Chemical substances manufactured at the nanoscale as part of 
a film on a surface
    (iv) DNA
    (v) RNA
    (vi) Proteins
    (vii) Chemical substances which dissociate completely in water to 
form ions that are smaller than 1 nanometer.
    (2) Persons who submitted a TSCA chemical notice under 40 CFR part 
720, 721, or 723 for a reportable chemical substance on or after 
January 1, 2005 are not required to submit a report for the reportable 
chemical substance submitted except where the person manufactured or 
processed a discrete form of the reportable chemical substance.
    (3) Section 704.5 (a) through (e) apply to reporting under this 
section. Small manufacturers and processors as defined in paragraph (a) 
of this section are exempt from reporting under this section.
    (4) Persons who submitted some or all of the required information 
for a reportable chemical substance as part of the Nanoscale Materials 
Stewardship Program are not required to report the information 
previously submitted except where the person manufactures or processes 
a discrete form of the reportable chemical substance.
    (d) What information to report. The following information must be 
reported for each discrete form of a reportable chemical substance to 
the extent that it is known to or reasonably ascertainable by the 
person reporting:
    (1) The common or trade name, the specific chemical identity 
including the correct Chemical Abstracts (CA) Index Name and available 
Chemical Abstracts Service (CAS) Registry Number, and the molecular 
structure of each chemical substance or mixture. Information must be 
reported as specified in Sec.  720.45.
    (2) Material characteristics including particle size, morphology, 
and surface modifications.
    (3) Physical/chemical properties.
    (4) The maximum weight percentage of impurities and byproducts 
resulting from the manufacture, processing, use, or disposal of each 
chemical substance.
    (5)(i) Persons described in paragraph (b)(1) of this section must 
report the annual production volume for the previous three years before 
the effective date of the final rule and an estimate of the maximum 
production volume for any consecutive 12-month period during the next 
two years of production after the final effective date of this rule.
    (ii) Persons described in paragraph (b)(2) of this section must 
report the estimated maximum 12 month production volume and the 
estimated maximum production volume for any consecutive 12 month period 
during the first three years of production.
    (iii) Estimates for paragraphs (d)(5)(i) and (ii) of this section 
must be on 100% chemical basis of the discrete form of the solid 
nanoscale material.
    (6) Use information describing the category of each use by function 
and application, estimates of the amount manufactured or processed for 
each category of use, and estimates of the percentage in the 
formulation for each use.
    (7) Detailed methods of manufacturing or processing.
    (8) Exposure information with estimates of the number of 
individuals exposed in their places of employment, descriptions and 
duration of the occupational tasks that cause such

[[Page 18342]]

exposure, descriptions and estimates of any general population or 
consumer exposures.
    (9) Release information with estimates of the amounts released, 
descriptions and duration of the activities that cause such releases, 
and whether releases are directly to the environment or to control 
technology.
    (10) Risk management practices describing protective equipment for 
individuals, engineering controls, control technologies used, any 
hazard warning statement, label, safety data sheet, customer training, 
or other information which is provided to any person who is reasonably 
likely to be exposed to this substance regarding protective equipment 
or practices for the safe handing, transport, use, or disposal of the 
substance.
    (11) Existing data concerning the environmental and health effects.
    (e) How to report. You must use CDX and the CISS tool to complete 
and submit the information required under this part to EPA 
electronically.
    (1) Reporting form. You must complete EPA Form No. 7710-xx, TSCA 
Sec.  8(a) Reporting for Nanoscale Materials: Data Submission Form.
    (2) Electronic submission. You must submit the required information 
to EPA electronically via CDX and using the CISS tool.
    (i) To access the CDX portal, go to https://cdx.epa.gov.
    (ii) The CISS tool is accessible in CDX.
    (f) When to report.
    (1) Persons specified in paragraph (b)(1) of this section must 
report the information specified in paragraph (d) of this section 
within six months after the final effective date of the rule.
    (2) Persons specified in paragraph (b)(2) of this section must 
report the information specified in paragraph (d) of this section at 
least 135 days before commencing manufacture or processing of the 
chemical substance.
    (g) Recordkeeping. Any person subject to the reporting requirements 
of this section is subject to the recordkeeping requirements in Sec.  
704.11 (a) and (b).
    (h) Confidential business information. Persons submitting a notice 
under this rule are subject to the requirements for confidential 
business information claims in Sec.  704.7.

[FR Doc. 2015-07497 Filed 4-3-15; 8:45 am]
 BILLING CODE 6560-50-P



                                                 18330                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 is not required for an exemption from                   exemption from the requirement of a                    Specifically, EPA proposes to require
                                                 the requirement of a tolerance. Contact:                tolerance. Contact: RD.                                persons that manufacture (defined by
                                                 RD.                                                        2. PP 4F8336. (EPA–HQ–OPP–2008–                     statute to include import) or process, or
                                                    6. PP IN–10781. (EPA–HQ–OPP–                         0762). BASF Corporation, 26 Davis Dr.,                 intend to manufacture or process these
                                                 2015–0018). Technology Sciences                         Research Triangle Park, NC 27709,                      chemical substances to electronically
                                                 Group, Inc., 1150 18th Street NW., Suite                requests to amend an exemption from                    report to EPA certain information,
                                                 1000, Washington, DC 20036, on behalf                   the requirement of a tolerance in 40 CFR               which includes the specific chemical
                                                 of BYK Additives, Inc., 1600 W. Hill                    180.1128 for residues of the                           identity, production volume, methods of
                                                 Street, Louisville, KY 40210, requests to               biofungicide, Bacillus                                 manufacture and processing, exposure
                                                 establish an exemption from the                         amyloliquefaciens MBI 600 (antecedent                  and release information, and existing
                                                 requirement of a tolerance for residues                 Bacillus subtilis MBI 600), in or on all               data concerning environmental and
                                                 for quaternary ammonium compounds,                      food commodities, including residues                   health effects. This proposal involves
                                                 benzylbis(hydrogenated tallow                           resulting from post-harvest uses, when                 one-time reporting for existing
                                                 alkyl)methyl, bis(hydrogenated tallow                   applied or used in accordance with                     nanoscale materials and one-time
                                                 alkyl)dimethylammonium salts with                       good agricultural practices. The                       reporting for new discrete nanoscale
                                                 sepiolite (CAS Reg. No. 1574487–61–8),                  petitioner believes no analytical method               materials before they are manufactured
                                                 when used as an inert ingredient in                     is needed because Bacillus                             or processed. This information would
                                                 pesticide formulations applied to                       amyloliquefaciens MBI 600 (antecedent                  facilitate EPA’s evaluation of the
                                                 growing crops only under 40 CFR                         Bacillus subtilis MBI 600) has an                      materials and a determination of
                                                 180.920. The petitioner believes no                     exemption from the requirement of a                    whether further action, including
                                                 analytical method is needed because it                  tolerance without numerical limitations.               additional information collection, is
                                                 is not required for an exemption from                   Contact: BPPD.                                         needed. Consistent with the President’s
                                                 the requirement of a tolerance. Contact:                                                                       memorandum for Executive Agencies
                                                 RD.                                                     Amended Tolerance
                                                                                                                                                                regarding Principles for Regulation and
                                                    7. PP IN–10784. (EPA–HQ–OPP–                            PP 4E8328. (EPA–HQ–OPP–2014–                        Oversight of Emerging Technologies,
                                                 2015–0064). Momentive Performance                       0878). Interregional Research Project                  this proposed rule would facilitate
                                                 Materials, 260 Hudson River Rd.,                        Number 4 (IR–4), 500 College Road East,                assessment of risks and risk
                                                 Waterford, NY 12188, on behalf of the                   Suite 201 W, Princeton, NJ 08540,                      management, examination of the
                                                 Dow Chemical Company, 2301 N.                           requests to amend the existing tolerance               benefits and costs of further measures,
                                                 Brazosport Blvd., Freeport, TX 77541,                   in 40 CFR part 180.411 for residues of                 and making future decisions based on
                                                 requests to establish an exemption from                 the herbicide fluazifop-p-butyl in or on               available scientific evidence.
                                                 the requirement of a tolerance for                      rhubarb, from 0.5 parts per million
                                                 residues of acrylic acid, butyl acrylate,                                                                      DATES: Comments must be received on
                                                                                                         (ppm) to 0.4 ppm. Analytical
                                                 styrene copolymer (CAS Reg. No.                         methodology has been developed and                     or before July 6, 2015.
                                                 25586–20–3) with a minimum number                       validated for enforcement purposes.                    ADDRESSES: Submit your comments,
                                                 average molecular weight (in amu) of                    This method has been submitted to the                  identified by docket identification (ID)
                                                 5,200, when used as an inert ingredient                 Agency and is in PAM Vol. II, Method                   number EPA–HQ–OPPT–2010–0572, by
                                                 in pesticide formulations under 40 CFR                  II. Contact: RD.                                       one of the following methods:
                                                 180.960. The petitioner believes no
                                                                                                           Authority: 21 U.S.C. 346a.                             • Federal eRulemaking Portal: http://
                                                 analytical method is needed because it                                                                         www.regulations.gov. Follow the on-line
                                                 is not required for an exemption from                     Dated: March 30, 2015.                               instructions for submitting comments.
                                                 the requirement of a tolerance. Contact:                Susan Lewis,                                           Do not submit electronically any
                                                 RD.                                                     Director, Registration Division, Office of             information you consider to be
                                                                                                         Pesticide Programs.                                    Confidential Business Information (CBI)
                                                 Amended Tolerance Exemption
                                                                                                         [FR Doc. 2015–07828 Filed 4–3–15; 8:45 am]             or other information whose disclosure is
                                                    1. PP 2E8080. (EPA–HQ–OPP–2013–                      BILLING CODE 6560–50–P                                 restricted by statute.
                                                 0098). Toxcel, LLC, 7140 Heritage
                                                                                                                                                                  • Mail: Document Control Office
                                                 Village Plaza, Gainesville, VA 20156 on
                                                                                                                                                                (7407M), Office of Pollution Prevention
                                                 behalf of Penn A Kem, LLC, 3324                         ENVIRONMENTAL PROTECTION
                                                 Chelsea Avenue, Memphis, TN 38108,                                                                             and Toxics (OPPT), Environmental
                                                                                                         AGENCY                                                 Protection Agency, 1200 Pennsylvania
                                                 requests to amend an exemption from
                                                 the requirement of a tolerance in 40 CFR                                                                       Ave. NW., Washington, DC 20460–0001.
                                                                                                         40 CFR Part 704
                                                 180.1263 for residues of                                                                                         • Hand Delivery: To make special
                                                                                                         [EPA–HQ–OPPT–2010–0572; FRL–9920–90]                   arrangements for hand delivery or
                                                 tetrahydrofurfuryl alcohol (THFA),
                                                 (CAS Reg. No. 97–99–4), when used as                    RIN 2070–AJ54                                          delivery of boxed information, please
                                                 a pesticide inert ingredient (solvent/co-                                                                      follow the instructions at http://
                                                 solvent), to include allowance of one                   Chemical Substances When                               www.epa.gov/dockets/contacts.html.
                                                 herbicide application prior to the                      Manufactured or Processed as                             Additional instructions on
                                                 preboot stage to wheat, buckwheat,                      Nanoscale Materials; TSCA Reporting                    commenting or visiting the docket,
                                                 barley, oats, rye, sorghum, triticale, rice             and Recordkeeping Requirements                         along with more information about
                                                 and wild rice; extended use on canola                                                                          dockets generally, is available at
                                                                                                         AGENCY:  Environmental Protection
Rmajette on DSK2VPTVN1PROD with PROPOSALS




                                                 to the early bolting stage; extended use                                                                       http://www.epa.gov/dockets.
                                                                                                         Agency (EPA).
                                                 on soybeans up to the bloom growth                      ACTION: Proposed rule.                                 FOR FURTHER INFORMATION CONTACT: For
                                                 stage; and allowance of use in                                                                                 technical information contact: Jim
                                                 herbicides with two applications to field               SUMMARY:  EPA is proposing reporting                   Alwood, Chemical Control Division
                                                 corn and pop corn up to 36 inches tall                  and recordkeeping requirements for                     (7405M), Office of Pollution Prevention
                                                 (V8 stage). The petitioner believes no                  certain chemical substances when they                  and Toxics, Environmental Protection
                                                 analytical method is needed because it                  are manufactured or processed at the                   Agency, 1200 Pennsylvania Ave. NW.,
                                                 is not required for the amendment of an                 nanoscale as described in this rule.                   Washington, DC 20460–0001; telephone


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                                                                           Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules                                            18331

                                                 number: (202) 564–8974; email address:                  EPA with authority to require reporting,               necessarily give rise to or are likely to
                                                 alwood.jim@epa.gov.                                     recordkeeping and testing, and impose                  cause harm to people or the
                                                   For general information contact: The                  restrictions relating to chemical                      environment. Rather, EPA would use
                                                 TSCA-Hotline, ABVI-Goodwill, 422                        substances and/or mixtures. EPA is                     information gathered through this
                                                 South Clinton Ave., Rochester, NY                       proposing this rule under section 8(a) of              reporting rule to determine if any
                                                 14620; telephone number: (202) 554–                     TSCA, 15 U.S.C. 2607(a). See also Unit                 further action under TSCA, including
                                                 1404; email address: TSCA-Hotline@                      II.A.                                                  additional information collection, is
                                                 epa.gov.                                                                                                       needed. EPA intends to make
                                                                                                         C. What action is the agency taking?
                                                 SUPPLEMENTARY INFORMATION:
                                                                                                                                                                conclusions on the basis of specific
                                                                                                            EPA is proposing reporting and                      scientific evidence. As with current new
                                                 I. Executive Summary                                    recordkeeping requirements for persons                 chemical review of nanomaterials, each
                                                                                                         that manufacture (including import) or                 chemical substance manufactured at the
                                                 A. Does this action apply to me?                        process certain chemical substances as                 nanoscale will be evaluated on a case-
                                                   You may be potentially affected by                    described in Unit III.A. Persons who                   by-case basis and not with the
                                                 this action if you manufacture or                       currently manufacture or process these                 presumption of either harm or safety,
                                                 process or intend to manufacture or                     chemical substances as discrete                        but rather its evaluation will be based
                                                 process nanoscale forms of certain                      nanoscale materials would be required                  on the specific nanoscale chemical
                                                 chemical substances. However, persons                   to notify EPA of certain information                   substance’s own properties. If adequate
                                                 that manufacture or process, or intend                  described in Unit III.C., including                    data are not available for the properties
                                                 to manufacture or process these                         specific chemical identity, production                 of the nanoscale chemical substance,
                                                 chemical substances as part of articles,                volume, methods of manufacture and                     EPA will use data on structural
                                                 as impurities, or in small quantities                   processing, use, exposure and release                  analogues. Being nanoscale is not itself
                                                 solely for research and development                     information, and available health and                  an indication of, or criterion for, hazard
                                                 would not be subject to this action. In                 safety data. EPA is also proposing that                or exposure potential. Any potential
                                                 addition, the discussion in Unit III.A.                 any persons who intend to begin to                     future restrictions on chemical
                                                 describes in more detail which chemical                 manufacture or process chemical                        substances manufactured at the
                                                 substances would and would not be                       substances as discrete nanoscale                       nanoscale would be tailored to protect
                                                 subject to reporting under the proposed                 materials after the effective date of this             against the specific harms identified for
                                                 rule. You may also consult 40 CFR 704.3                 rule notify EPA of the same information                individual substances or categories. EPA
                                                 and 704.5, as well as the proposed                      at least 135 days before the intended                  would focus any toxicity concerns or
                                                 regulatory text in this document, for                   date of commencement of manufacture                    data requirements based on available
                                                 further information on the applicability                or processing. The TSCA section 8(a)                   exposure or hazard data for specific
                                                 of these and other exemptions to this                   rule proposed here involves one-time                   nanoscale chemical substances. If the
                                                 proposed rule.                                          reporting for existing discrete nanoscale              information provided indicates low risk,
                                                   The following list of North American                  forms of certain chemical substances                   EPA would not need to consider further
                                                 Industrial Classification System                        and one-time reporting for new discrete                review or regulation of that nanoscale
                                                 (NAICS) codes is not intended to be                     nanoscale forms of certain chemical                    chemical substance unless subsequent
                                                 exhaustive, but rather provides a guide                 substances before they are manufactured                information raises risk concerns. For
                                                 to help readers determine whether this                  or processed. A chemical substance as                  example during review of new chemical
                                                 document may apply to them:                             defined under TSCA section 3(2) does                   substances that are nanoscale materials,
                                                   • Chemical Manufacturing or                           not include any food, food additive,                   EPA typically does not request
                                                 Processing (NAICS codes 325).                           drug, cosmetic, medical device,                        inhalation toxicity data for chemical
                                                   • Synthetic Dye and Pigment                           pesticide or other excluded materials.                 substances that are manufactured in
                                                 Manufacturing (NAICS code 325130).                      Such materials are not be subject to this              forms or handled by processes where no
                                                   • Other Basic Inorganic Chemical                      rule.                                                  inhalation exposure occurs.
                                                 Manufacturing (NAICS code 325180).                         Included in this proposal are                         EPA is not proposing to publish an
                                                   • Rolled Steel Shape Manufacturing                    electronic reporting requirements                      inventory of chemical substances
                                                 (NAICS code 331221).                                    similar to those established in 2013 for               manufactured at the nanoscale based on
                                                   • Semiconductor and Related Device                    other kinds of information: EPA is                     the information that would be collected
                                                 Manufacturing (NAICS code 334413).                      proposing to require submitters to use                 pursuant to these proposed TSCA
                                                   • Carbon and Graphite Product                         EPA’s Central Data Exchange (CDX), the                 section 8(a) reporting requirements. EPA
                                                 Manufacturing (NAICS code 335991).                      Agency’s electronic reporting portal, for              will make non-confidential information
                                                   • Home Furnishing Merchant                            all reporting under this rule. In the                  reported under the proposed rule
                                                 Wholesalers (NAICS code 423220).                        Federal Register of December 4, 2013                   available in ChemView (see http://
                                                   • Roofing, Sliding, and Insulation                    (78 FR 72818) (FRL 9394–6), EPA                        www.epa.gov/chemview/).
                                                 Material Merchant Wholesalers (NAICS                    finalized a rule to require electronic
                                                                                                         reporting of certain information                       D. Why is the agency taking this action?
                                                 code 423330).
                                                   • Metal Service Centers and Other                     submitted to the Agency under TSCA                       These reporting and recordkeeping
                                                 Metal Merchant Wholesalers (NAICS                       sections 4, 5, 8(a) and 8(d). In proposing             requirements would assist EPA in its
                                                 code 423510).                                           to require similar electronic reporting                continuing evaluation of chemical
                                                   • Research and Development in the                     under this rule, EPA intends to save                   substances manufactured at the
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                                                 Physical, Engineering, and Life Sciences                time, improve data quality and increase                nanoscale, informed by available
                                                 (except Biotechnology) (NAICS code                      efficiencies for both the submitters and               scientific, technical and economic
                                                 541712).                                                the Agency (Ref. 1).                                   evidence. This proposed rule is not
                                                                                                            This proposed rule and the discussion               intended to indicate restrictions or
                                                 B. What is the agency’s authority for                   of the potential risks do not conclude                 conclusions about the risks of chemical
                                                 taking this action?                                     and are not intended to conclude that                  substances manufactured at the
                                                   The Toxic Substances Control Act                      nanoscale materials as a class, or                     nanoscale in general. Rather, the
                                                 (TSCA), 15 U.S.C. 2601 et seq., provides                specific uses of nanoscale materials,                  requirements would facilitate EPA’s


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                                                 18332                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 evaluation of the materials and its                     percent, total annualized costs are                    confidential business information
                                                 determination of whether any further                    estimated to be approximately $2.80                    claims, and recordkeeping that apply to
                                                 action under TSCA, including                            million and $3.08 million, respectively.               TSCA section 8(a) rules. For example in
                                                 additional information collection, is                   (Ref. 3.)                                              40 CFR 704.3 the definition of known to
                                                 needed.                                                                                                        or reasonably ascertainable by is
                                                    Consistent with the June 9, 2011                     F. What should I consider as I prepare                 defined to mean all information in a
                                                 memorandum on the Policy Principles                     my comments for EPA?                                   person’s possession or control, plus all
                                                 for the U.S. Decision-Making                               1. Submitting CBI. Do not submit this               information that a reasonable person
                                                 Concerning Regulation and Oversight of                  information to EPA through                             similarly situated might be expected to
                                                 Applications of Nanotechnology and                      regulations.gov or email. Clearly mark                 possess, control, or know.
                                                 Nanomaterials, this proposal is not                     the part or all of the information that                  In addition, the definitions in TSCA
                                                 making any finding about the potential                  you claim to be CBI. For CBI                           section 3 apply to this rulemaking.
                                                 risks of nanoscale materials in general                 information in a disk or CD–ROM that                     2. Electronic reporting under the
                                                 or any specific nanoscale materials (Ref.               you mail to EPA, mark the outside of the               Government Paperwork Elimination Act
                                                 2). These generally applicable principles               disk or CD–ROM as CBI and then                         (GPEA). GPEA, 44 U.S.C. 3504, provides
                                                 are relevant to promoting a balanced,                   identify electronically within the disk or             that, when practicable, Federal
                                                 science-based approach to regulating                    CD–ROM the specific information that                   organizations use electronic forms,
                                                 chemical substances manufactured at                     is claimed as CBI. In addition to one                  electronic filings, and electronic
                                                 the nanoscale and other applications of                 complete version of the comment that                   signatures to conduct official business
                                                 nanotechnology in a manner that                         includes information claimed as CBI, a                 with the public. EPA’s Cross-Media
                                                 protects human health, safety, and the                  copy of the comment that does not                      Electronic Reporting Regulation
                                                 environment without prejudging new                      contain the information claimed as CBI                 (CROMERR) (40 CFR part 3) (Ref. 4),
                                                 technologies or creating unnecessary                    must be submitted for inclusion in the                 provides that any requirement in title 40
                                                 barriers to trade or hampering                          public docket. Information so marked                   of the CFR to submit a report directly to
                                                 innovation. These principles build on                   will not be disclosed except in                        EPA can be satisfied with an electronic
                                                 the foundation provided by current                      accordance with procedures set forth in                submission that meets certain
                                                 regulatory statutes and do not supersede                40 CFR part 2.                                         conditions once the Agency published a
                                                 existing legal authorities. In this                        2. Tips for preparing your comments.                document in the Federal Register
                                                 proposal, EPA’s approach seeks to                       When preparing and submitting your                     announcing that EPA is prepared to
                                                 support the policy principle to ‘‘[s]eek                comments, see the commenting tips at                   receive certain documents in electronic
                                                 and develop adequate information with                   http://www.epa.gov/dockets/                            form. For more information about
                                                 respect to the potential effects of                     comments.html.                                         CROMERR, go to http://www.epa.gov/
                                                 nanomaterials on human health and the                                                                          cromerr.
                                                 environment and take into account new                   II. Background
                                                                                                                                                                B. Why is EPA interested in nanoscale
                                                 knowledge when it becomes available’’                   A. Overview of Applicable Authority                    materials?
                                                 (Ref. 2). As with current new chemical
                                                 reviews of chemical substances                             1. TSCA section 8(a) reporting.                       There is a growing body of scientific
                                                 manufactured at the nanoscale, each                     Section 8(a) of TSCA authorizes EPA to                 evidence showing the differences that
                                                 nanoscale material would be evaluated                   promulgate rules which require each                    exist between chemical substances and
                                                 on a case-by-case basis and not with the                person (other than a small manufacturer                chemical substances manufactured in
                                                 presumption of either harm or safety.                   or processor) who manufactures,                        nanoscale forms (Ref. 5). Chemical
                                                 Any evaluation will be based on the                     processes, or proposes to manufacture                  substances manufactured at the
                                                 specific nanoscale material’s own                       or process a chemical substance, to                    nanoscale may have different or
                                                 properties and those of any structural                  maintain such records and submit such                  enhanced properties—for example,
                                                 analogs.                                                reports as the EPA Administrator may                   electrical, chemical, magnetic,
                                                                                                         reasonably require. TSCA section 8(a)                  mechanical, thermal, or optical
                                                 E. What are the estimated incremental                   gives EPA authority to determine the                   properties—or features, such as
                                                 impacts of this action?                                 format of reporting under this section.                improved hardness or strength, that are
                                                    EPA has evaluated the potential costs                   Small manufacturers and processors,                 highly desirable for applications in
                                                 of establishing the proposed reporting                  as defined by EPA, are exempt from                     commercial, medical, military, and
                                                 and recordkeeping requirements for                      TSCA section 8(a) reporting                            environmental sectors (Ref. 6). These
                                                 potential manufacturers and processors.                 requirements, unless the manufacture or                properties are a direct consequence of
                                                 This analysis (Ref. 3), which is available              processing is subject to a rule proposed               decreasing size, where surface area per
                                                 in the docket, is briefly summarized                    or promulgated under TSCA sections 4,                  unit of volume increases exponentially
                                                 here.                                                   5(b)(4), or 6, or an order under section               and quantum effects may appear in the
                                                    Under the proposed rule, industry is                 5(e). Under TSCA section 8(a)(3)(B),                   low tens of nanometers and below.
                                                 conservatively estimated to incur a                     after consultation with the                            Small size itself can also be a desirable
                                                 burden of approximately 206,098 hours                   Administrator of the Small Business                    property of nanoscale materials. The
                                                 in the first year and 22,755 hours in                   Administration (SBA), EPA may                          small size can be exploited for
                                                 subsequent years, with costs of                         prescribe standards for determining                    miniaturization of applications/
                                                 approximately $13.9 million and $1.5                    which manufacturers and processors                     processes and/or stabilization or
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                                                 million, respectively (see Chapter 3 in                 qualify as small for purposes of                       delivery of payloads to diverse
                                                 Ref. 3), while the Agency is expected to                reporting under a TSCA section 8(a)                    environments or incorporation into
                                                 use approximately 6,539 hours in the                    rule.                                                  diverse products.
                                                 first year and 723 hours in subsequent                     General provisions for TSCA section                   Nanoscale materials have a range of
                                                 years, with costs of approximately $0.51                8(a) rules appear in 40 CFR part 704                   potentially beneficial public and
                                                 million and $0.06 million respectively                  Subpart A. These provisions describe                   commercial applications, including
                                                 (see Chapter 4 in Ref. 3). Discounted                   definitions, exemptions (including for                 medicine and public health, clean
                                                 over a 10-year period at three and seven                articles and research and development),                energy, pollution reduction and


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                                                                           Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules                                              18333

                                                 environmental cleanup, and improved                        • ‘‘Experimental studies in animals,                   A report in the scientific literature has
                                                 products such as stronger, lighter, and                 cell cultures, and cell-free systems have              indicated that nanoscale polystyrene
                                                 more durable or conductive materials.                   shown that changes in the chemical                     beads may cross the placental barrier (in
                                                 These benefits arise from the distinctive               composition, crystal structure, and size               an ex-vivo human placental perfusion
                                                 properties of nanoscale materials, in                   of particles can influence their oxidant               model (Ref. 11). Another study found
                                                 that they are potentially more                          generation properties and cytotoxicity.’’              that nanoparticles could translocate to
                                                 interactive or durable than other                          • ‘‘Studies in workers exposed to                   diverse organs following oral exposure
                                                 chemical substances. Altering the size of               aerosols of some manufactured or                       in rodents. Once in these diverse sites
                                                 a material from conventional particle                   incidental microscopic (fine) and                      and organs, the large surface area of
                                                 size can enhance or produce unique                      nanoscale (ultrafine) particles have                   nanoscale materials may facilitate
                                                 properties that are desirable for a variety             reported adverse lung effects including                increased reactivity and/or an
                                                 of commercial applications. However,                    lung function decrements and                           inflammatory response, resulting in
                                                 these unique and enhanced properties                    obstructive and fibrotic lung diseases.                toxic effects (Ref. 12).
                                                 can raise new questions, such as                        The implications of these studies to                      Two literature surveys describe a
                                                 whether the material in the smaller form                engineered nanoparticles, which may                    broad range of effects in non-
                                                 may present increased hazards to                        have different particle properties, are                mammalian species following exposure
                                                 humans and the environment.                             uncertain.’’                                           to nanoscale materials (Ref. 13 and 14).
                                                    Government, academic, and private                       • ‘‘Some nanomaterials may initiate                 These include, for example, increased
                                                 sector scientists in multiple countries                 catalytic reactions depending on their                 ventilation rates, mucus production,
                                                 are performing research into the                                                                               and pathologies, and related alteration
                                                                                                         composition and structure that would
                                                 environmental and human health effects                                                                         of enzyme activities and indicators of
                                                                                                         not otherwise be anticipated based on
                                                 of diverse nanoscale materials, resulting                                                                      oxidative stress in rainbow trout,
                                                                                                         their chemical composition.’’
                                                 in a substantial and rapidly growing                                                                           Oncorhyncus mykiss (Ref. 15) and
                                                 body of scientific evidence. This                          Earlier the same year, the Scientific               ingestion and accumulation of
                                                 research also indicates that, in                        Committee on Emerging and Newly                        nanoscale material in the digestive tract,
                                                 biological systems or in the                            Identified Health Risks (SCENIHR), an                  as well as mortality, increased heart
                                                 environment, not all materials in the                   independent scientific committee                       rates, and reduced fecundity in Daphnia
                                                 nanoscale size range behave differently                 advising the European Commission’s                     magna (Ref. 16, 17, and 18).
                                                 from larger sized materials of the same                 Health and Consumer Directorate,                       Translocation of nanoscale materials
                                                 substance (Ref. 7). Recently, a                         issued a report (Ref. 9) that identified               from gill and gut surface to blood and
                                                 governmental organization and an                        properties similar to those identified in              other organs in exposed Medaka,
                                                 independent scientific committee have                   the NIOSH report:                                      Oryzius latipes, has also been reported
                                                 reviewed and summarized this evidence                      • ‘‘Some specific hazards, discussed                (Ref. 19) and carbon nanotubes,
                                                 and offered views about the                             in the context of risk for human health,               although unable to cross the egg surface,
                                                 implications of this evidence for                       have been identified. These include the                have been shown to delay hatching in
                                                 environmental and human health and                      possibility of some nanoparticles to                   zebra fish, Danio rerio (Ref. 20).
                                                 safety.                                                 induce protein fibrillation, the possible                 Published reports of human and
                                                    In 2009, the National Institute of                   pathological effects caused by specific                ecological exposure to nanomaterials are
                                                 Occupational Safety and Health                          types of carbon nanotubes, the                         also limited. For example, in its
                                                 (NIOSH) issued a report (Ref. 8) that                   induction of genotoxicity, and size                    ‘‘Current Intelligence Bulletin 65:
                                                 summarized the available scientific                     effects in terms of biodistribution.’’                 Occupational Exposure to Carbon
                                                 information about nanoscale materials                      • ‘‘For some nanomaterials, toxic                   Nanotubes and Nanofibers’’ (Ref. 21),
                                                 and identified the following potential                  effects on environmental organisms                     NIOSH summarized and evaluated the
                                                 health and safety properties:                           have been demonstrated, as well as the                 available published information on
                                                    • ‘‘Nanomaterials have the greatest                  potential to transfer across                           worker exposures to carbon nanotubes
                                                 potential to enter the body through the                 environmental species, indicating a                    (CNT) and nanofibers (CNF). NIOSH
                                                 respiratory system if they are airborne                 potential for bioaccumulation in species               determined that, although the potential
                                                 and in the form of respirable-sized                     at the end of that part of the food                    for worker exposure to CNT and CNF
                                                 particles (nanoparticles). They may also                chain.’’                                               can occur throughout the life cycle of
                                                 come into contact with the skin or be                      In another survey of scientific                     CNT- and CNF-product use (processing,
                                                 ingested.’’                                             research on nanoscale materials (Ref.                  use, disposal, recycling), the extent to
                                                    • ‘‘Based on results from human and                  10), the authors reported:                             which workers are exposed has not been
                                                 animal studies, airborne nanoparticles                                                                         completely characterized.
                                                 can be inhaled and deposited in the                        Many studies have examined the pro-
                                                                                                                                                                ‘‘Comprehensive workplace exposure
                                                                                                         inflammatory effects of manufactured
                                                 respiratory tract; and based on animal                  nanoparticles, on the basis that their ability         evaluations are needed to characterize
                                                 studies, nanoparticles can enter the                    to cause inflammation is a major predictor of          and quantify worker exposure to CNT
                                                 blood stream, and translocate to other                  potential hazard in such particles. The first          and CNF at various job tasks and
                                                 organs.’’                                               important finding was that nanoparticles               operations, and to determine what
                                                    • ‘‘Experimental studies in rats have                have a more pronounced effect on                       control measures are the most effective
                                                 shown that equivalent mass doses of                     inflammation, cell damage and cell                     in reducing worker exposures.’’ ‘‘Data
                                                 insoluble incidental nanoparticles are                  stimulation than an equal mass of particles            are particularly needed on workplace
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                                                 more potent than large particles of                     of the same material of greater size. This             exposures to CNT and CNF, as well as
                                                 similar composition in causing                          appears to hold true for materials as varied           information on whether in-place
                                                 pulmonary inflammation and lung                         as carbon black, titanium dioxide, various
                                                                                                         metals and polystyrene. Surface area is the
                                                                                                                                                                exposure control measures (e.g.,
                                                 tumors. Results from in vitro cell                      metric driving the pro-inflammatory effects            engineering controls) and work
                                                 culture studies with similar materials                  and this is evident both in vitro and in vivo,         practices are effective in reducing
                                                 are generally supportive of the                         particles of various sizes producing                   worker exposures.’’
                                                 biological responses observed in                        inflammatory effects that are directly related            There are many scientific questions
                                                 animals.’’                                              to the surface area dose.                              about the impacts of chemical


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                                                 18334                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 substances manufactured at the                          designed to identify and encourage use                 unique and novel characteristics or
                                                 nanoscale on human health and the                       of risk management practices in                        properties because of their size. The
                                                 environment. Part of EPA’s mission                      developing and commercializing                         proposed rule would apply to chemical
                                                 under TSCA is to understand potential                   chemical substances manufactured at                    substances containing primary particles,
                                                 risks in order to protect human health                  the nanoscale. EPA also participated in                aggregates, or agglomerates in the size
                                                 and the environment. As stated in EPA’s                 a series of National Nanotechnology                    range of 1–100 nm in at least one
                                                 White Paper on Nanotechnology (Ref.                     Initiative public workshops, including                 dimension. This proposed rule would
                                                 22):                                                    co-Chairing a public Risk Management                   not apply to chemical substances that
                                                   Some of the same special properties that              Methods workshop. This workshop was                    only have trace amounts of primary
                                                 make nanoscale materials useful are also                also useful in further identifying                     particles, aggregates, or agglomerates in
                                                 properties that may cause some nanoscale                additional considerations in risk                      the size range of 1–100 nm, such that
                                                 materials to pose risks to humans and the               management practices towards                           the chemical substance does not exhibit
                                                 environment, under specific conditions.                 developing and commercializing                         the unique and novel characteristics or
                                                 EPA needs a sound scientific basis for                  chemical substances manufactured at                    properties because of particle size. EPA
                                                 assessing and managing potential                        the nanoscale of interest to EPA. In the               is proposing these parameters for
                                                 impacts resulting from the introduction                 NMSP interim report, which was based                   purposes of identifying chemical
                                                 of chemical substances manufactured at                  on the information EPA received prior                  substances that are subject to the rule,
                                                 the nanoscale into commerce.                            to January 2009, EPA identified data                   not to establish a definition of what is
                                                    As described in the 2008 TSCA                        needs for existing nanoscale material                  a nanoscale material.
                                                                                                         production, uses, and exposures. For                      i. Discrete forms. Manufacturers and
                                                 Inventory Status of Nanoscale
                                                                                                         example, in the report EPA estimated                   processors of multiple nanoscale forms
                                                 Substances—General Approach, many
                                                                                                         that companies provided information on                 of the same chemical substance would,
                                                 nanoscale materials are considered
                                                                                                         only about 10 percent of the chemical                  in some cases, need to report separately
                                                 chemical substances as defined under
                                                                                                         substances manufactured at the                         for each discrete form of the reportable
                                                 TSCA section 3(2) (Ref. 23). Nanoscale
                                                                                                         nanoscale that may be commercially                     chemical substance. EPA is proposing to
                                                 forms of chemical substances that are                                                                          distinguish based on a combination of
                                                                                                         available in 2009.
                                                 not on the TSCA Inventory in any form                      To address some of the data needs                   three factors: (1) a change in process to
                                                 are considered new chemical substances                  identified in the NMSP interim report,                 affect a change in size and/or a change
                                                 that require reporting under TSCA                       EPA is proposing reporting                             in properties of the chemical substances
                                                 section 5. EPA has assessed over 170 of                 requirements under TSCA section 8(a)                   manufactured at the nanoscale; (2) a
                                                 these nanoscale materials as new                        for persons who are manufacturing, or                  change in mean particle size of 10% or
                                                 chemical substances and taken action to                 processing chemical substances                         greater; and (3) the measured change in
                                                 control exposures to prevent any                        manufactured at the nanoscale or intend                at least one of the following properties,
                                                 potential unreasonable risks to human                   to manufacture or process these                        zeta potential, specific surface area,
                                                 health or the environment pending                       nanoscale materials for commercial                     dispersion stability, or surface
                                                 development of information which will                   purposes. This information would                       reactivity, is greater than 7 times the
                                                 allow EPA to more fully assess those                    facilitate EPA’s evaluation of the                     standard deviation of the measured
                                                 risks. Nanoscale materials based on                     materials and determination if any                     values (+/¥ 7 times the standard
                                                 chemical substances already on the                      further action under TSCA, including                   deviation). For example if the specific
                                                 TSCA Inventory are considered existing                  additional information collection, is                  surface area of one discrete form was
                                                 chemical substances. These nanoscale                    needed. By gathering data regarding the                measured to be 50 +/¥ 5 m2/g, then a
                                                 materials do not require reporting as                   characteristics, uses, and exposure                    change resulting in a new average
                                                 new chemical substances because they                    pertaining to chemical substances                      specific area of 85 m2/g would be
                                                 are nanoscale forms of chemical                         manufactured at the nanoscale, EPA                     reportable if factors 1 and 2 were also
                                                 substances already in commerce.                         will create a more robust database that                met. EPA recommends using the same
                                                    EPA developed a voluntary Nanoscale                  will expand the Agency’s understanding                 medium and method when measuring
                                                 Materials Stewardship Program (NMSP                     of commercially available nanoscale                    the change in these properties, as even
                                                 or ‘‘the program’’) to complement and                   substances including available                         minor changes in the medium and
                                                 support its regulatory activities on                    environmental health and safety data                   methods can result in large differences
                                                 chemical substances manufactured at                     and risk management practices.                         in the measured results. EPA’s intent for
                                                 the nanoscale. EPA conducted the                                                                               proposing these reporting requirements
                                                 program from January 2008 to December                   III. Summary of Proposed TSCA                          is to focus reporting on intentionally
                                                 2009. Thirty one companies or                           Section 8(a) Rule                                      manufactured chemical substances at
                                                 associations submitted information to                      EPA is proposing reporting and                      the nanoscale.
                                                 EPA for 132 chemical substances                         recordkeeping requirements for                            EPA is proposing the combination of
                                                 manufactured at the nanoscale with                      manufacturers and processors of certain                these three factors rather than simply
                                                 available information on how those                      chemical substances pursuant to TSCA                   size to distinguish between different
                                                 nanoscale materials were manufactured,                  section 8(a).                                          chemical substances manufactured at
                                                 processed or used. For more details on                                                                         the nanoscale so that unintended
                                                 the NMSP, see the program’s interim                     A. What chemical substances would be                   variation in size range between
                                                 report, a copy of which is in the docket                reportable under this rule?                            production batches would not trigger
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                                                 (Ref. 24). EPA solicited existing data                    1. Reportable chemical substances.                   TSCA section 8(a) reporting. Also, EPA
                                                 and information, on a voluntary basis,                  This proposed rule would apply to                      is proposing not to rely solely on
                                                 from manufacturers, processors, and                     chemical substances that are solids at                 process changes because there may be
                                                 users of chemical substances                            25 °C and atmospheric pressure and that                process changes that are not intended to
                                                 manufactured at the nanoscale to                        are manufactured or processed in a form                change the material produced but rather
                                                 expeditiously develop knowledge about                   where the primary particles, aggregates,               intended to improve the efficiency of
                                                 commercially available nanoscale                        or agglomerates are in the size range of               the process or to use a cheaper reactant.
                                                 materials. In addition, the program was                 1–100 nanometers (nm) and exhibit                      EPA is focusing on the properties of zeta


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                                                                           Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules                                            18335

                                                 potential, specific surface area,                       as a discrete form. Examples include                   manufactured at the nanoscale as part of
                                                 dispersion stability, or surface reactivity             spheres, rods, ellipsoids, cylinders,                  a film on a surface. The Agency believes
                                                 because these properties are of                         needles, wires, fibers, cages, hollow                  that information collected on these
                                                 particular interest in a health and safety              shells, trees, flowers, rings, tori, cones,            materials would be of limited value
                                                 context, whereas other unique                           and sheets. Nanoscale forms of a                       because either they have been well-
                                                 properties of chemical substances                       particular chemical substance that are                 characterized or they present little
                                                 manufactured at the nanoscale (e.g., the                coated with different chemical                         exposure potential. EPA requests
                                                 wavelength at which light is emitted)                   substances would be considered                         comment on these proposed exclusions
                                                 may be important for how that form of                   discrete forms for each chemical                       and whether other chemical substances
                                                 the chemical substance functions but                    coating.                                               manufactured at the nanoscale should
                                                 are less likely to be important in a                       ii. Chemical mixtures. Chemical                     be excluded. EPA requests that
                                                 health and safety context. EPA believes                 substances that are manufactured or                    commenters explain why they believe
                                                 that the combination of these three                     processed in a nanoscale form solely as                the chemical substances manufactured
                                                 factors will provide a clear and                        a component of a mixture, encapsulated                 at the nanoscale should be excluded.
                                                 transparent way for the regulated                       material, or composite would also have                    3. General exemptions to TSCA
                                                 community to distinguish among                          to be reported. Chemical substances at                 Section 8(a) reporting. The general
                                                 different chemical substances                           the nanoscale that are manufactured but                exemptions to TSCA section 8(a)
                                                 manufactured at the nanoscale for                       are then incorporated into mixtures,                   reporting at 40 CFR 704.5 would be
                                                 purposes of TSCA section 8(a) reporting.                encapsulated materials or composites by                applicable to this proposed rule. This
                                                    For the purposes of this proposed                    that manufacturer would not require                    includes, among other exemptions, the
                                                 rule, specific surface area is the ratio of             separate reporting for their                           exemption for research and
                                                 the surface area of the nanoscale                       incorporation. However, the person                     development under which a person who
                                                 material to its mass or the area of the                 reporting the chemical substance would                 manufactures or processes, a chemical
                                                 surface of the nanoscale material                       have to report each step of its                        substance only in small quantities for
                                                 divided by volume. This is an important                 manufacture, processing and use to the                 research and development would be
                                                 factor because chemical reactions take                  extent it is known or reasonably                       exempt from the reporting requirements
                                                 place at the surface of the material.                   ascertainable.                                         of this proposed rule. Examples of
                                                 Thus, the higher the surface area, the                     2. Substances excluded from                         research and development (R&D)
                                                 greater the chemical reactivity, which is               reporting. EPA is proposing to exclude                 activity are the analysis of the chemical
                                                 an important consideration for human                    from the requirements of this rule                     or physical characteristics, the
                                                 health toxicity and environmental                       certain biological materials (e.g., DNA,               performance, or the production
                                                 toxicity assessments. Specific surface                  RNA, and proteins). EPA is seeking                     characteristics of a chemical substance,
                                                 area is the ratio of the area of the surface            comment to identify other specific                     a mixture containing the substance, or
                                                 of a nanoscale material divided by the                  biological materials that should be                    an article. It can include production of
                                                 mass (m2/kg) or the area of the surface                 excluded from reporting and the reasons                a chemical substance for use by others
                                                 of the nanoscale material divided by                    for excluding them, including                          in their R&D activities. R&D activity
                                                 volume (m2/m3).                                         microorganisms and viral based                         generally includes specific monitored
                                                    Zeta potential is the electrokinetic                 products (or other combinations of                     tests undertaken as part of a planned
                                                 potential in colloidal systems. It is                   RNA, DNA and protein), lipids,                         program of activity.
                                                 measured as the net number of positive                  carbohydrates, enzymes, and peptides.                     EPA is proposing an alternate
                                                 and negative charges per unit particle                  However, the properties of biological                  exemption for the existing small
                                                 surface area in Coulomb/m2 (Ref. 25)                    materials such as DNA, RNA and                         manufacturer exemption. Under other
                                                 and is typically measured by                            proteins are not a function of the size                TSCA section 8(a) rules, a company
                                                 electrophoresis.                                        range per se but rather the precise                    qualifies as a small manufacturer in 40
                                                    Dispersion stability is the ability of a             nucleotide sequence (in the case of DNA                CFR 704.3 by meeting either of the
                                                 dispersion to resist changes in                         and RNA), shape, and other features.                   following two standards. The first is that
                                                 properties over time and can be defined                    EPA is proposing to exclude chemical                sales of the company are less than $40
                                                 in terms of the change in one or more                   substances which dissociate completely                 million per year and the company does
                                                 physical properties over a given time                   in water to form ions that are less than               not manufacture more than 100,000
                                                 period. See ISO/TR 13097:2013                           1 nanometer. This exclusion would not                  pounds annually of an individual
                                                 ‘‘Guidelines for characterization of                    apply to chemical substances                           substance at any individual site owned
                                                 dispersion stability’’ (Ref. 26) as an                  manufactured at the nanoscale materials                or controlled by the company. The
                                                 example.                                                that release ions but do not dissociate in             second is that sales are less than $4
                                                    Surface reactivity is the degree to                  water to form those ions. EPA believes                 million regardless of the quantity
                                                 which the nanoscale material will react                 that the chemical substances that would                manufactured.
                                                 with biological systems. The surface                    be excluded do not exhibit new                            EPA is proposing a different
                                                 reactivity of the form of a chemical                    properties when their size falls in the                exemption for purposes of this rule by
                                                 substance is dependent upon factors                     range of 1–100 nanometers and                          eliminating the first standard and
                                                 such as redox potential which is a                      manufacture or processing such                         defining a small manufacturer or
                                                 measure of the tendency of an entity to                 substances at the nanoscale should                     processor as any company with sales of
                                                 lose or acquire electrons, and                          therefore not be subject to the reporting              less than $4 million. The 100,000-pound
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                                                 photocatalytic activity, including the                  requirements of the proposed rule. EPA                 threshold in the existing exemption did
                                                 potential to generate free radicals.                    is seeking comment to identify other                   not contemplate typical production
                                                 Reactive oxygen species (ROS) and free                  water soluble compounds that should be                 volumes for chemical substances
                                                 radicals are important in considering                   excluded from reporting and the reasons                manufactured at the nanoscale. EPA has
                                                 toxicity for these materials.                           for excluding them.                                    reviewed over 200 chemical substances
                                                    A nanoscale form of a particular                        EPA is proposing to exclude from the                manufactured at the nanoscale in the
                                                 chemical substance with a different                     requirements of this rule nanoclays,                   NMSP and the new chemicals program
                                                 morphology or shape would also qualify                  zinc oxide and chemical substances                     under TSCA. At least 170 of those


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                                                 18336                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 chemical substances manufactured at                     chemical substance on or after the                     characterization, physical chemical
                                                 the nanoscale had reported or estimated                 effective date of the rule would report                properties, production volume, use,
                                                 production volumes less than 22,000                     to EPA at least 135 days before                        methods of manufacturing and
                                                 pounds. Based on this experience,                       commencement of manufacture or                         processing, exposure and release
                                                 exempting manufacturers or processors                   processing.                                            information, and existing data
                                                 from reporting annual production                           The 135-day period is based on EPA’s                concerning the environmental and
                                                 volumes of up to 100,000 pounds would                   experience with PMN submissions.                       health effects. The information would
                                                 exclude a large proportion of companies                 TSCA section 8(a) applies to a person                  be reported on a form similar to that
                                                 that characteristically manufacture                     ‘‘who manufactures or processes or                     used in the NMSP (Ref. 27). Any person
                                                 chemical substances manufactured at                     proposes to manufacture or process a                   required to report under this proposed
                                                 the nanoscale in small amounts but                      chemical substance’’. A company                        rule would supply the information
                                                 would not otherwise be considered                       proposes to manufacture or process a                   identified in the form to the extent it is
                                                 small. Given that chemical substances                   chemical substance by forming the                      known to or reasonably ascertainable by
                                                 manufactured at the nanoscale tend to                   intent to do so. Based on EPA’s                        them. A draft of the proposed reporting
                                                 be produced in small volumes, EPA                       experience, persons form the intent to                 form (EPA Form No. 7710–[tbd]) is
                                                 does not believe production volume                      manufacture or process chemical                        available in the docket for public review
                                                 should be a relevant consideration in                   substances at least 135 days ahead of                  (Ref. 28).
                                                 determining whether a nanotechnology                    time. This belief is based on EPA’s                      EPA is requesting comment on
                                                 company is a small manufacturer or                      experience with Premanufacture Notice                  whether any information proposed to be
                                                 processor. EPA requests comment on                      (PMN) submissions and subsequent                       collected requested in this proposed
                                                 the proposed small manufacturer or                      notices of commencement (NOCs).                        rule is duplicative of information
                                                 processor exemption that would apply                    Pursuant to section 5(a)(1) of TSCA and                collected under other federal statutes
                                                 for this proposed rule.                                 40 CFR 720.22, PMNs are submitted by                   and, thus should be excluded. Please
                                                    4. Proposed exceptions to reporting.                 a person who intends to manufacture a                  identify the statute and the information
                                                 The proposed rule would not require                     chemical substance, at least 90 days                   that you believe is duplicative.
                                                 manufacturers or processors to report                   before commencing manufacture. Under
                                                                                                                                                                D. How would information be submitted
                                                 certain information that has already                    40 CFR 720.102, a company that has
                                                                                                                                                                to EPA?
                                                 been submitted to EPA. A person who                     submitted a PMN for which the
                                                 submitted a TSCA chemical notice                        statutory 90-day review period has                        EPA is proposing electronic reporting
                                                 under section 5 to EPA on or after                      expired and which has commenced                        similar to the requirements established
                                                 January 1, 2005 would not be required                   manufacture of that substance must                     in 2013 for submitting other information
                                                 to report regarding the same substance                  submit an NOC to EPA within 30 days                    under TSCA (see proposed 704.20(e)).
                                                 under this proposed TSCA section 8(a)                   following commencement. For fiscal                     EPA is proposing to require submitters
                                                 rule except where the person                            years 2009–2011, EPA received 1,723                    to use EPA’s CDX, the Agency’s
                                                 manufactured or processed a new                         PMNs. Based on EPA’s review of NOC                     electronic reporting portal, for all
                                                 discrete form of the reportable chemical                receipt date information, EPA                          reporting under this rule. In 2013 (Ref.
                                                 substance. In addition, any person who                  determined that NOCs were received                     1), EPA finalized a rule to require
                                                 has already reported part of or all of the              within 45 days of completion of the 90-                electronic reporting of certain
                                                 information that would be required                      day PMN review for only 16% of these                   information submitted to the Agency
                                                 under this proposed TSCA section 8(a)                   submitted PMNs. Thus, for 84% of the                   under TSCA sections 4, 5, 8(a) and 8(d).
                                                 rule under the NMSP would not need to                   submitted PMNs, the intent to                          The final rule follows two previous
                                                 report that information again under this                manufacture was formed at least 135                    rules requiring similar electronic
                                                 proposed TSCA section 8(a) rule. If,                    days (i.e., the 90-day PMN review                      reporting of information submitted to
                                                 however, information required by this                   period plus 45 days) before                            EPA for TSCA Chemical Data Reporting
                                                 proposed rule was not reported under                    commercialization. Because a company                   and for Pre-Manufacture Notifications.
                                                 section 5 or the NMSP (including                        must by necessity form the intent to                   In proposing to require similar
                                                 information for each discrete form of a                 manufacture a chemical substance some                  electronic reporting under this rule,
                                                 reportable chemical substance), then                    period of time before the PMN is                       EPA intends to save time, improve data
                                                 reporting of that information would be                  submitted to EPA, the intent to                        quality and increase efficiencies for both
                                                 required under this proposed TSCA                       manufacture or process would be made                   the submitters and the Agency.
                                                 section 8(a) rule. The purpose of these                 at least 135 days in advance as a general                 EPA developed the Chemical
                                                 exemptions is to avoid duplicative                      matter.                                                Information Submission System (CISS)
                                                 reporting. For example new chemical                                                                            for use in submitting data for TSCA
                                                 notices that have been reviewed as                      C. What information would be reported?                 sections 4, 8(a), and 8(d) electronically
                                                 nanoscale materials would not be                          This TSCA section 8(a) rule proposes                 to the Agency. The tool is available for
                                                 subject to reporting the same                           one-time reporting of certain                          use with Windows, Macs, Linux, and
                                                 information under this rule.                            information, including specific                        UNIX based computers, using
                                                                                                         chemical identity, production volume,                  ‘‘Extensible Markup Language’’ (XML)
                                                 B. When would reporting be required?                    methods of manufacture and processing,                 specifications for efficient data
                                                    EPA proposes that persons who                        use, exposure and release information,                 transmission across the Internet. CISS, a
                                                 manufacture or process a discrete form                  and available health and safety data.                  web-based reporting tool, provides user-
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                                                 of a reportable chemical substance at                     EPA developed an information                         friendly navigation, works with CDX to
                                                 any time during the three years prior to                reporting form for the NMSP (Ref. 27)                  secure online communication, creates a
                                                 the final effective date of the rule would              which has been slightly modified for                   completed Portable Document Format
                                                 report to EPA six months after the final                purposes of this proposed rule. The                    (PDF) for review prior to submission,
                                                 effective date of the rule. EPA also                    same information that was requested in                 and enables data, reports, and other
                                                 proposes a continuing requirement that                  the NMSP would be required by this                     information to be submitted easily as
                                                 persons who intend to manufacture or                    proposed rule, including information on                PDF attachments, or by other electronic
                                                 process a discrete form of a reportable                 specific chemical identity, material                   standards, such as XML.


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                                                                           Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules                                           18337

                                                    EPA is proposing to require                          guidance document for CDX at http://                   Organization for Standardization, the
                                                 submitters to follow the same                           www.epa.gov/cdr/tools/CDX_                             National Institute of Standards and
                                                 submission procedures used for other                    Registration_Guide_v0_02.pdf. To                       Technology, and the Organization for
                                                 TSCA submissions, i.e., to register with                access CISS go to https://cdx.epa.gov/                 Economic Cooperation and
                                                 EPA’s CDX and use CISS to prepare a                     ssl/CSPP/PrimaryAuthorizedOfficial/                    Development. EPA encourages persons
                                                 data file for submission. Registration                  Home.aspx and follow the appropriate                   who intend to conduct testing to consult
                                                 enables CDX to authenticate identity                    links and for further instructions to go               with the Agency before selecting a
                                                 and verify authorization. To submit                     http://www.epa.gov/oppt/chemtest/                      protocol for testing a chemical
                                                 electronically to EPA via CDX,                          ereporting/index.html. Procedures for                  substance manufactured at the
                                                 individuals must first register with that               reporting chemical substances under                    nanoscale. EPA would also encourage
                                                 system at http://cdx.epa.gov/epa_                       this proposed rule would be similar.                   persons that would be required to
                                                 home.asp. To register in CDX, the CDX                   EPA will put a version of the reporting                submit TSCA section 8(a) data under
                                                 registrant (also referred to as ‘‘Electronic            tool in the docket for commenters, and                 this proposed rule to provide
                                                 Signature Holder’’ or ‘‘Public/Private                  is interested in feedback on the extent                information on the potential benefits
                                                 Key Holder’’) agrees to the Terms and                   of and burden associated with training                 regarding the reportable chemical
                                                 Conditions, provides information about                  for using CDX.                                         substance.
                                                 the submitter and organization, selects a                  EPA believes that electronic reporting
                                                                                                         reduces the reporting burden for                       V. Request for Comments
                                                 user name and password, and follows
                                                 the procedures outlined in the guidance                 submitters by reducing the cost and                       EPA is seeking public comment on all
                                                 document for CDX available at http://                   time required to review, edit, and                     aspects of this proposed rule. In
                                                 www.epa.gov/cdr/tools/CDX_                              transmit data to the Agency. It also                   addition to specific requests for
                                                 Registration_Guide_v0_02.pdf.                           allows submitters to share a draft                     comment included throughout this
                                                    Users who have previously registered                 submission within their organization,                  document, EPA is interested in
                                                 with CDX for other TSCA submissions,                    and more easily save a copy for their                  comments pertaining to the specific
                                                 Chemical Data Reporting, or the Toxic                   records or future use. The resource and                issues discussed in this unit. EPA also
                                                 Release Inventory TRI–ME web                            time requirements to review and process                anticipates conducting a public meeting
                                                 reporting flow, would be able to add the                data by the Agency will also be reduced                during the comment period to further
                                                 ‘‘Submission for Chemical Safety and                    and document storage and retrieval will                discuss these and any other issues
                                                 Pesticide Program (CSPP)’’ CDX flow to                  require fewer resources. EPA expects to                concerning the proposed rule.
                                                 their current registration, and use the                 benefit from receiving electronic                         1. Identifying the chemical substances
                                                 CISS web-based reporting tool.                          submissions and communicating back                     that would be subject to reporting. EPA
                                                    All submitters would be required to                  electronically with submitters.                        has developed the proposed approach
                                                 use CISS to prepare their submissions.                     Any person submitting a reporting                   based on the approximate size range of
                                                 CISS guides users through a ‘‘hands-on’’                form could claim any part or all of the                1–100 nm as used by the NNI for
                                                 process of creating an electronic                       form as CBI. Any information which is                  defining nanotechnology (Ref. 6),
                                                 submission. Once a user completes the                   claimed as confidential will be                        experience in conducting assessments of
                                                 relevant data fields, attaches appropriate              disclosed by EPA only to the extent and                new chemicals manufactured at the
                                                 PDF files, or other file types, such as                 by the means of the procedures set forth               nanoscale by EPA under TSCA, and
                                                 XML files, and completes metadata                       in 40 CFR part 2.                                      data submitted to EPA under the NMSP.
                                                 information, the web-based tool                                                                                EPA is soliciting comment on each
                                                                                                         IV. Development of Additional Data in                  aspect of the proposed approach to
                                                 validates the submission by performing
                                                                                                         Connection With the TSCA Section 8(a)                  identifying the chemical substances that
                                                 a basic error check and makes sure all
                                                                                                         Rule                                                   would be subject to the reporting
                                                 the required fields and attachments are
                                                 provided and complete. Further                            A TSCA section 8(a) rule may require                 requirements of the rule. The Agency is
                                                 instructions on submitting voluntary                    persons subject to the rule to submit test             seeking comment on these approaches
                                                 submissions, such as under MOUs, are                    data in their possession or control and                and alternative approaches for reporting
                                                 available, and instructions for uploading               to describe any other data known to or                 requirements. For example the proposed
                                                 PDF attachments or other file types,                    reasonably ascertainable by them, but                  rule would apply to reportable chemical
                                                 such as XML, and completing metadata                    may not require persons to develop test                substances that contain primary
                                                 information would be available through                  data for submission to the Agency.                     particles, aggregates, or agglomerates in
                                                 CISS reporting guidance.                                However, in view of the lack of                        the size range of 1–100 nm in at least
                                                    CISS, a web-based reporting tool, also               information regarding chemical                         one dimension. EPA is seeking
                                                 allows the user to choose ‘‘Print,’’                    substances manufactured at the                         comments on that aspect of reportable
                                                 ‘‘Save,’’ or ‘‘Transmit through CDX.’’                  nanoscale, EPA would encourage                         chemical substances. EPA is asking
                                                 When ‘‘Transmission through CDX’’ is                    respondents to this proposed rule to                   commenters if the current proposal
                                                 selected, the user is asked to provide the              provide the Agency with any relevant                   sufficiently encompasses these types of
                                                 user name and password that was                         data on chemical substances                            reportable chemical substances.
                                                 created during the CDX registration                     manufactured at the nanoscale they                        2. Distinguishing between nanoscale
                                                 process. CISS then encrypts the file and                decide to develop.                                     forms of a reportable chemical
                                                 submits it via CDX. The user will login                   Persons choosing to develop test data                substance. EPA considered several
                                                 to the application and check the status                 should provide data that conform to the                different approaches to distinguish
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                                                 of their submissions. Upon successful                   Good Laboratory Practice Standards,                    between nanoscale forms of a reportable
                                                 receipt of the submission by EPA, the                   which are codified at 40 CFR part 792.                 chemical substance including a
                                                 status of the submissions will be flagged               There are also standard test methods                   percentage or numerical change in
                                                 as ‘‘Completed.’’ The CDX inbox is                      available for properties and information               measured properties. The agency is also
                                                 currently used to notify the users of any               identified in the proposed rule from a                 seeking comment on an approach based
                                                 correspondence related to user                          number of sources. Some of these                       solely on the behavior of the reportable
                                                 registration. Information on accessing                  sources include but are not limited to                 chemical substance. For example, if a
                                                 the CDX user inbox is provided in the                   ASTM International, the International                  manufacturer or processor knows about


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                                                 18338                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 or engineers a reportable chemical                      reporting, EPA intends to save time,                   2. 2011. Executive Office of the President.
                                                 substance with multiple nanoscale                       improve data quality and increase                           Policy Principles for the U.S. Decision-
                                                 forms with different performance                        efficiencies for both the submitters and                    Making Concerning Regulation and
                                                                                                         the Agency. EPA is specifically                             Oversight of Applications of
                                                 characteristics then each nanoscale form
                                                                                                                                                                     Nanotechnology and Nanomaterials.
                                                 would be reported. If multiple                          interested in comments related to the                       http://www.whitehouse.gov/sites/
                                                 nanoscale forms of a reportable                         adoption of the existing mechanisms                         default/files/omb/inforeg/for-agencies/
                                                 chemical substance do not perform                       and related procedures for use in                           nanotechnology-regulation-and-
                                                 differently then only a single report of                transmitting the reports proposed in this                   oversight-principles.pdf.
                                                 the entire range would be reported. EPA                 rule, including comments related to the                3. 2015. EPA. Economic Analysis for the
                                                 is seeking comment on these and other                   extent to which potentially reporting                       TSCA Section 8(a) Proposed Reporting
                                                 alternative approaches. EPA is                          entities are already familiar with those                    Requirements for Certain Nanoscale
                                                 especially interested in comments on                    mechanisms given their existing use for                     Materials (RIN 2070–AJ54). March 12,
                                                                                                                                                                     2015.
                                                 whether these approaches would                          other TSCA reporting. EPA is also
                                                                                                                                                                4. 2005. EPA. Cross-Media Electronic
                                                 require reporting of sufficiently distinct              interested in feedback on how electronic                    Reporting Rule (CROMERR); Final Rule.
                                                 nanoscale forms of a chemical substance                 reporting mechanisms affect reporting                       Federal Register (70 FR 59848, October
                                                 so that reporting would be focused on                   entities in terms of reporting time,                        13, 2005) (FRL–7977–1).
                                                 those nanoscale forms with potential for                added efficiencies, and potential burden               5. 2005. Oberdörster, Gunter, Oberdörster,
                                                 significantly different physical or                     associated with training to use the                         Eva, and Oberdörster, Jan.
                                                 chemical characteristics or properties.                 electronic systems (i.e., CDX and CISS).                    Nanotoxicology: an emerging discipline
                                                 EPA also seeks comment on each aspect                      6. Consideration of potential future                     evolving from studies of ultrafine
                                                 of its proposed reporting such as size                  rulemaking regarding periodic                               particles. Environmental Health
                                                 increments, the number of standard                      reporting. EPA is also seeking comment                      Perspectives. (113): 823–839.
                                                                                                                                                                6. 2014. National Nanotechnology Initiative
                                                 deviations, morphology, the specific                    on the possibility of a future rule that
                                                                                                                                                                     (NNI). ‘‘Supplement to the President’s
                                                 physical-chemical properties identified,                would require periodic reporting of                         2015 Budget,’’ p. 3. http://
                                                 exclusions to reporting, and whether                    chemical substances manufactured at                         www.nano.gov/sites/default/files/pub_
                                                 companies have the analytical tools to                  the nanoscale, similar to reporting that                    resource/nni_fy15_budget_
                                                 make such distinctions.                                 occurs under the Chemical Data                              supplement.pdf.
                                                    3. Reporting discrete forms at least                 Reporting (CDR) rule at 40 CFR part 711.               7. 2009. Auffan, Melanie, Rose, Jerome,
                                                 135 days before commencement of                         Such a rule could require manufacturers                     Bottero Jean-Yves, Lowry, Gregory V
                                                 manufacture or processing. As                           and processors of chemical substances                       Jolivet Jean-Pierre, and Wiesner, Mark R.
                                                 discussed in Unit III.B., EPA proposed                  manufactured at the nanoscale to report                     Towards a definition of inorganic
                                                 the 135-day period based on EPA’s                       the type of information collected under                     nanoparticles from an environmental,
                                                                                                                                                                     health and safety perspective. Nature
                                                 experience with PMN submissions, and                    the CDR rule to EPA at the same
                                                                                                                                                                     Nanotechnology 4, 634–641. Published
                                                 the determination that the intent to                    reporting interval as currently required                    online: 13 September 2009 | doi:10.1038/
                                                 manufacture was formed at least 135                     by CDR reporting (every four years).                        nnano.2009.242.
                                                 days before commercialization (i.e., the                That reporting could occur at lower                    8. 2009. NIOSH. Approaches to Safe
                                                 90-day PMN review period plus 45                        thresholds for criteria such as                             Nanotechnology: Managing the Health
                                                 days). EPA is specifically seeking                      production volume. The CDR is a                             and Safety Concerns Associated with
                                                 comment on whether this time-period                     program designed to collect screening-                      Engineered Nanomaterials. Available on-
                                                 should be 135 days as proposed, 90 days                 level, exposure-related information on                      line at http://www.cdc.gov/niosh/docs/
                                                 to be similar to the PMN review period,                 chemical substances and to make that                        2009-125/pdfs/2009-125.pdf.
                                                 or some other time period. It would be                  information available for use by EPA                   9. 2009. European Commission, Directorate-
                                                                                                                                                                     General for Health and Consumers.
                                                 most helpful if commenters explain why                  and to the public consistent with
                                                                                                                                                                     Scientific Committee on Emerging and
                                                 the time period they suggest is                         confidentiality under TSCA Section 14                       Newly Identified Risks (SCENIR), Report:
                                                 appropriate.                                            and EPA regulations in 40 CFR part 2.                       Risk Assessment of Products of
                                                    4. Considerations for the Agency’s                   The CDR rule data are used by EPA to                        Nanotechnologies. Available on-line at
                                                 economic analysis. EPA has evaluated                    support risk screening, assessment,                         http://ec.europa.eu/health/ph_risk/
                                                 the potential costs for manufacturers                   priority setting and management                             committees/04_scenihr/docs/scenihr_s_
                                                 and processors of reportable chemical                   activities and constitute the most                          01.pdf.
                                                 substances for this proposed rule (Ref.                 comprehensive source of basic                          10. 2009. Seaton, Anthony, Tran, Lang,
                                                 3). EPA is specifically seeking                         screening-level, exposure-related                           Aitken, Robert, and Donaldson, Kenneth.
                                                 additional information and data that                    information on chemicals available to                       Nanoparticles, human health hazard and
                                                 EPA could consider in developing the                                                                                regulation. Journal of the Royal Society,
                                                                                                         EPA. For further information see                            Available on-line at http://
                                                 final economic analysis. In particular,                 http://www.epa.gov/oppt/cdr.                                rsif.royalsocietypublishing.org/content/
                                                 data that could facilitate the Agency’s                                                                             early/2009/08/31/
                                                 further evaluation of the potentially                   VI. References
                                                                                                                                                                     rsif.2009.0252.focus.full#ref-14 .
                                                 affected industry and firms, including                    The following is a listing of the                    11. 2010. Wick, Peter, Malek, Antoine,
                                                 data related to potential impacts for                   documents that are specifically                             Manser, Pius, Meili, Danielle, Maeder-
                                                 those small businesses that would be                    referenced in this document. The docket                     Althaus, Xenia, Diener, Liliane, Diener,
                                                 subject to reporting. EPA is especially                 includes these references and other                         Pierre-Andre, Zisch, Andreas, Krug,
                                                 interested in available data or other                   information considered by EPA. For                          Harold F, and Mandach, Ursula von.
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                                                 measures of the number of and potential                 assistance in locating these other                          Barrier Capacity of Human Placenta for
                                                 growth in the number of commercial                      documents, please consult the technical                     Nanosized Materials. Environmental
                                                                                                                                                                     Health Perspectives. (118):432–436.
                                                 nanoscale materials or firms that might                 contact listed under FOR FURTHER                       12. 2008. Kim, Yong Soon, Kim, Jin Sik, Cho,
                                                 manufacture or process such materials.                  INFORMATION CONTACT.                                        Hyun Sun, Rha, Dae Sik, Kim, Jae Min,
                                                    5. Electronic reporting. In proposing                1. 2013. EPA. Electronic Reporting Under the                Park, Jung Duck, Choi, Byung Sun, Lim,
                                                 to require electronic reporting under                        Toxic Substances Control Act; Final                    Ruth, Chang, Hee Kyung, Chung, Yong
                                                 this rule that is similar to those                           Rule. Federal Register (78 FR 72818,                   Hyun, Kwon, Il Hoon, Jeong, Jayoung,
                                                 established in 2013 for other TSCA                           December 4, 2013) (FRL 9394–6).                        Han, Beom Seok, and Yu, Il Je. Twenty-



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                                                                           Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules                                             18339

                                                      Eight Day Oral Toxicity, Genotoxicity,             25. 2012. International Organization for               currently approved ICR. The addendum,
                                                      and Gender-Related Tissue Distribution                  Standardization (ISO).                            identified under EPA ICR No. 2517.01
                                                      of Silver Nanoparticles in Sprague-                     Nanotechnologies—Guidance on                      and OMB Control No. 2070–NEW (Ref.
                                                      Dawley Rats. Inhalation Toxicology. 20                  Physicochemical Characterization for
                                                                                                              Manufactured Nano-objects Submitted
                                                                                                                                                                29), is available in the docket and is
                                                      (6): 575–583.
                                                 13. 2008. Handy, Richard D., Von der                         for Toxicological Testing. ISO/TR                 briefly summarized here.
                                                      Kammer, Frank, Lead, Jamie R., Hassello,                (Technical Report) ISO/TR 13014:2012.               If an entity were to submit a report to
                                                      Martin, Owen, Richard, and Crane, Mark.            26. 2013. ISO/TR. Guidelines for                       the Agency, the annual burden is
                                                      The ecotoxicology and chemistry of                      Characterization of Dispersion Stability.         estimated to average 137 hours per
                                                      manufactured nanoparticles.                             ISO/TR 13097:2013.                                response. Burden is defined in 5 CFR
                                                      Ecotoxicology 17:287–314.                          27. 2008. EPA. Nanoscale Materials                     1320.3(b). As presented in the economic
                                                 14. 2008. Klaine, Stephen J., Alvarez, Pedro                 Stewardship Program Data Submission               analyses and the ICR addenda, EPA
                                                      J., Batley, Graeme E., Fernandes, Teresa                Form. EPA Form No. 7710–25–NMSP;                  estimates that the proposed TSCA
                                                      F., Handy, Richard D., Lyon, Delina Y.,                 EPA ICR No. 2250.01; OMB Control No.
                                                                                                                                                                section 8(a) rule would create an
                                                      Mahendra, Shaily, McLaughlin, Michael                   2070–0170.
                                                      J., and Lead, Jamie R. Nanomaterials in            28. 2015. EPA. Proposed Data Submission                industry burden of approximately
                                                      the Environment: Behavior, Fate,                        Form. TSCA 8(a) Data Reporting for                206,098 hours in the first year and
                                                      Bioavailability, and Effects.                           Nanoscale Materials. EPA Form No.                 22,755 hours in subsequent years.
                                                      Environmental Toxicology and                            7710–[tbd]; EPA ICR No. 2517.01; OMB                To comment on the Agency’s need for
                                                      Chemistry. 27: 1825–1851.                               Control No. 2070–NEW.                             this information, the accuracy of the
                                                 15. 2007. Federici, Gillian, Shaw, Benjamin             29. 2015. EPA. Proposed Addendum to an                 provided burden estimates, and any
                                                      J., and Handy, Richard D. Toxicity of                   Existing EPA ICR Entitled: Chemical-              suggested methods for minimizing
                                                      titanium dioxide to rainbow trout                       Specific Rules, Toxic Substances Control          respondent burden, EPA has established
                                                      (Oncorhynchus mykiss): Gill injury,                     Act Section 8(a). EPA ICR No. 2517.01;            a docket for this proposed rule, which
                                                      oxidative stress, and other physiological               OMB Control No. 2070–NEW.
                                                                                                                                                                includes this ICR, under docket ID
                                                      effects. Aquatic Toxicology. 84: 415–430.
                                                                                                         VII. Statutory and Executive Order                     number EPA–HQ–OPPT–2010–0572.
                                                 16. 2007. Roberts, Aaron P., Mount, Andrew
                                                      S., Seda, Brandon, Souther, Justin, Qiao,          Reviews                                                Submit any comments related to the ICR
                                                      Rui, Lin, Sijie, Ke, Pu Chun, Rao,                                                                        to EPA and OMB. See ADDRESSES for
                                                                                                         A. Executive Order 12866: Regulatory                   where to submit comments to EPA.
                                                      Apparao M., and Klaine, Stephen J. In              Planning and Review and Executive
                                                      vivo biomodification of lipid coated                                                                      Send comments to OMB via email to
                                                      carbon nanotubes by Daphnia magna.
                                                                                                         Order 13563: Improving Regulation and                  oira_submission@omb.eop.gov. Address
                                                      Environmental Science and Technology.              Regulatory Review                                      comments to OMB Desk Officer for EPA.
                                                      41: 3025–3029.                                       The Office of Management and Budget                    Since OMB is required to make a
                                                 17. 2006. Lovern, Sarah B., and Klaper,                 (OMB) has designated this proposed                     decision concerning the ICR between 30
                                                      Rebecca. Daphnia magna mortality when              rule as a ‘‘significant regulatory action’’            and 60 days after April 6, 2015, a
                                                      exposed to titanium nanoparticles and              under section 3(f) of Executive Order                  comment to OMB is best assured of
                                                      fullerene (C60) nanoparticles.
                                                      Environmental Toxicology and
                                                                                                         12866 (58 FR 51735, October 4, 1993).                  having its full effect if OMB receives it
                                                      Chemistry. 25: 1132–1137.                          Accordingly, EPA submitted this                        by May 6, 2015. The final rule will
                                                 18. 2006. Oberdörster, Eva, Zhu, Shiqian,              proposed rulemaking to OMB for review                  respond to any OMB or public
                                                      Zhu, Blickley, T. Michelle, McClellan-             under Executive Order 12866 and                        comments on the information collection
                                                      Green, Patricia, and Haasch, Mary L.               Executive Order 13563 (76 FR 3821,                     requirements contained in this proposed
                                                      Ecotoxicology of carbon-based                      January 21, 2011), and any changes                     rule.
                                                      engineered nanoparticles: effects of               made in response to OMB comments
                                                      fullerene (C–60) on aquatic organisms.                                                                    C. Regulatory Flexibility Act (RFA)
                                                                                                         have been documented in the public
                                                      Carbon. 44: 1112–1120.                             docket for this rulemaking as required                    Pursuant to section 605(b) of the RFA,
                                                 19. 2006. Kashiwada, Shosaku. Distribution                                                                     5 U.S.C. 601 et seq., I hereby certify that
                                                      of nanoparticles in the see-through
                                                                                                         by section 6(a)(3)(E) of Executive Order
                                                                                                         12866.                                                 this action would not have a significant
                                                      Medaka (Oryzias latipes). Environmental
                                                      Health Perspectives. 114: 1697–1702.
                                                                                                                                                                adverse economic impact on a
                                                                                                         B. Paperwork Reduction Act (PRA)                       substantial number of small entities.
                                                 20. 2007. Cheng, Jinping, Flahaut,
                                                      Emmanuel, and Cheng, Shuk Han. Effect                An agency may not conduct or                         The rationale supporting this
                                                      of carbon nanotubes on developing zebra            sponsor, and a person is not required to               conclusion is summarized here, and is
                                                      fish (Danio rerio) embryos.                        respond to an information collection                   presented in a small entity impact
                                                      Environmental Toxicology and                       request subject to the PRA, 44 U.S.C.                  analysis that EPA prepared for this
                                                      Chemistry. 26:708–716.                             3501 et seq., unless it displays a                     proposed action that is part of the
                                                 21. 2013. NIOSH. Current Intelligence                   currently valid OMB control number.                    Agency’s economic analysis in the
                                                      Bulletin 65: Occupational Exposure to              The OMB control numbers for EPA’s                      public docket for this proposed rule
                                                      Carbon Nanotubes and Nanofibers at
                                                      http://www.cdc.gov/niosh/docs/2013-
                                                                                                         regulations are listed in 40 CFR part 9                (Ref. 3).
                                                      145/pdfs/2013-145.pdf.                             and included on any related collection                    Under the RFA, small entities include
                                                 22. 2007. EPA. EPA Nanotechnology White                 instrument (e.g., on the form or survey).              small businesses, small organizations,
                                                      Paper. Available online at http://                   The information collection                           and small governmental jurisdictions.
                                                      www.epa.gov/osa/pdfs/nanotech/epa-                 requirements in 40 CFR part 704 related                For purposes of assessing the impacts of
                                                      nanotechnology-whitepaper-0207.pdf.                to TSCA section 8(a) reporting rules                   this proposed rule on small entities,
                                                 23. 2008. EPA. TSCA Inventory Status of                 have already been approved by OMB                      small entity is defined as: (1) a small
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                                                      Nanoscale Substances—General                       under the PRA. That information                        business, as defined by the Small
                                                      Approach. Available online at http://              collection request (ICR) has been                      Business Administration’s (SBA)
                                                      www.epa.gov/oppt/nano/nmsp-
                                                                                                         assigned EPA ICR No. 1198.10 and OMB                   regulations at 13 CFR 121.201; (2) a
                                                      inventorypaper2008.pdf.
                                                 24. 2009. EPA. EPA Interim Report on the                Control No. 2070–0067. Because this                    small governmental jurisdiction that is a
                                                      Nanoscale Materials Stewardship                    proposed rule would involve revised                    government of a city, county, town,
                                                      Program. Available online at http://               information collection activities that                 school district or special district with a
                                                      www.epa.gov/oppt/nano/nmsp-interim-                require additional OMB approval, EPA                   population of less than 50,000; and (3)
                                                      report-final.pdf.                                  has prepared an addendum to the                        a small organization that is any not-for-


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                                                 18340                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 profit enterprise which is independently                any effect on tribal governments, on the               populations. This action does not affect
                                                 owned and operated and is not                           relationship between the Federal                       the level of protection provided to
                                                 dominant in its field. Since the                        government and the Indian tribes, or on                human health or the environment.
                                                 regulated community is not expected to                  the distribution of power and                             This action does not affect the level of
                                                 include small governmental                              responsibilities between the Federal                   protection provided to human health or
                                                 jurisdictions or small not-for-profit                   government and Indian tribes, as                       the environment. However, the Agency
                                                 organizations, the analysis focuses on                  specified in Executive Order 13175 (65                 believes that the information collected
                                                 small businesses.                                       FR 67249, November 9, 2000).                           under this proposed rule, if finalized,
                                                    A small business exemption exists                                                                           will assist EPA and others in
                                                 under TSCA section 8(a) reporting rules,                G. Executive Order 13045: Protection of
                                                                                                                                                                determining the potential hazards and
                                                 at 40 CFR 704.5(f). For this action, EPA                Children From Environmental Health
                                                                                                                                                                risks associated with various chemicals
                                                 is proposing to modify the exemption.                   Risks and Safety Risks
                                                                                                                                                                manufactured processed, and used at
                                                 EPA analyzed potential small business                      EPA interprets Executive Order 13045                the nanoscale. Although not directly
                                                 impacts from this proposed rule using                   (62 FR 19885, April 23, 1997), as                      impacting environmental justice-related
                                                 both the SBA employee size standards                    applying only to those regulatory                      concerns, this information will enable
                                                 and the TSCA sales-based definition of                  actions that concern health or safety                  the Agency to better protect human
                                                 small business. EPA estimates that up to                risks, such that the analysis required                 health and the environment, including
                                                 174 small businesses may be impacted                    under section 5–501 of Executive Order                 in low-income and minority
                                                 by the proposed TSCA section 8(a)                       13045 has the potential to influence the               communities.
                                                 reporting rule and evaluated the number                 regulation. This action is not subject to
                                                 that may incur costs at below 1%,                       Executive Order 13045 because it does                  List of Subjects in 40 CFR Part 704
                                                 between 1% and 3%, and above 3% of                      not establish an environmental standard                  Environmental protection, Chemicals,
                                                 sales. EPA estimates that all 174 small                 intended to mitigate health or safety                  Hazardous materials, Recordkeeping,
                                                 businesses identified would incur costs                 risks. Nevertheless, the information                   and Reporting Requirements.
                                                 below 1% of sales.                                      obtained by the reporting required by                    Dated: March 20, 2015.
                                                    EPA continues to be interested in the                this proposed rule will be used to
                                                                                                                                                                James Jones,
                                                 potential impacts of this proposed rule                 inform the Agency’s decision-making
                                                                                                                                                                Assistant Administrator, Office of Chemical
                                                 on small entities that are not exempt                   process regarding chemical substances
                                                                                                                                                                Safety and Pollution Prevention.
                                                 from reporting and welcomes comments                    to which children may be
                                                 on issues related to such impacts.                      disproportionately exposed. This                         Therefore, 40 CFR chapter I is
                                                                                                         information will also assist the Agency                proposed to be amended as follows:
                                                 D. Unfunded Mandates Reform Act
                                                                                                         and others in determining whether the
                                                 (UMRA)                                                                                                         PART 704 [AMENDED]
                                                                                                         chemical substances addressed in this
                                                   Based on EPA’s experience with                        proposed rule present potential risks,
                                                 proposing and finalizing rules under                                                                           ■ 1. The authority citation for part 704
                                                                                                         allowing the Agency and others to take                 continues to read as follows:
                                                 TSCA section 8(a), State, local and                     appropriate action to investigate and
                                                 Tribal governments have not been                        mitigate those risks.                                      Authority: 15 U.S.C. 2607(a).
                                                 impacted by these rulemakings, and                                                                             ■ 2. Add § 704.20 to Subpart B, to read
                                                 EPA does not have any reason to believe                 H. Executive Order 13211: Actions                      as follows
                                                 that any State, local or Tribal                         Concerning Regulations That
                                                 government would be impacted by this                    Significantly Affect Energy Supply,                    § 704.20 Chemical substances
                                                 rulemaking. In addition, this action will               Distribution, or Use                                   manufactured or processed at the
                                                                                                                                                                nanoscale.
                                                 not result in annual expenditures of                      This action is not a ‘‘significant
                                                 $100 million or more for the private                    energy action’’ as defined in Executive                   (a) Definitions. For purposes of this
                                                 sector. As such, EPA has determined                     Order 13211 (66 FR 28355, May 22,                      section the terms below are defined as
                                                 that this action does not impose any                    2001), because it is not likely to have a              follows:
                                                 enforceable duty, contain any unfunded                  significant adverse effect on energy                      An agglomerate is a collection of
                                                 mandate, or otherwise have any effect                   supply, distribution, or use.                          weakly bound particles or aggregates or
                                                 on small governments, and that the                                                                             mixtures of the two where the resulting
                                                                                                         I. National Technology Transfer and                    external surface area is similar to the
                                                 requirements of sections 202, 203, 204,
                                                                                                         Advancement Act (NTTAA)                                sum of the surface areas of the
                                                 or 205 of UMRA, 2 U.S.C. 1531–1538,
                                                 do not apply to this action.                               Since this action does not involve any              individual components.
                                                                                                         technical standards, NTTAA section                        An aggregate is a particle comprising
                                                 E. Executive Order 13132: Federalism                    12(d), 15 U.S.C. 272 note, does not                    strongly bonded or fused particles
                                                   This action does not have substantial                 apply to this action.                                  where the resulting external surface area
                                                 direct effects on the states, on the                                                                           may be significantly smaller than the
                                                                                                         J. Executive Order 12898: Federal                      sum of calculated surface areas of the
                                                 relationship between the national
                                                                                                         Actions To Address Environmental                       individual components.
                                                 government and the states, or on the
                                                                                                         Justice in Minority Populations and                       Central Data Exchange or CDX means
                                                 distribution of power and
                                                                                                         Low-Income Populations                                 EPA’s centralized electronic submission
                                                 responsibilities among the various
                                                 levels of government, as specified in                      This action does not entail special                 receiving system.
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                                                 Executive Order 13132 (64 FR 43255,                     considerations of environmental justice                   Chemical Information Submission
                                                 August 10, 1999).                                       related issues as delineated by                        System or CISS means EPA’s electronic,
                                                                                                         Executive Order 12898 (59 FR 7629,                     web-based reporting tool for the
                                                 F. Executive Order 13175: Consultation                  February 16, 1994), because EPA has                    completion and submission of data,
                                                 and Coordination With Indian Tribal                     determined that this action will not                   reports, and other information, or its
                                                 Governments                                             have disproportionately high and                       successors.
                                                   This action does not have tribal                      adverse human health or environmental                     A discrete form of a reportable
                                                 implications because it will not have                   effects on minority or low-income                      chemical substance differs from another


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                                                                           Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules                                              18341

                                                 form of the same reportable chemical                    combined with those of its parent                      manufacturers and processors as
                                                 substance in that either:                               company (if any), are less than $ 4                    defined in paragraph (a) of this section
                                                    (1) The change in the reportable                     million. The definition of small                       are exempt from reporting under this
                                                 chemical substance is due to all of the                 manufacturer in section 704.3 of this                  section.
                                                 following:                                              title does not apply to reporting under                   (4) Persons who submitted some or all
                                                    (i) There is a change in process to                  this section (40 CFR 704.20).                          of the required information for a
                                                 affect a change in size and/or a change                    Specific surface area means the ratio               reportable chemical substance as part of
                                                 in one or more of the properties of the                 of the area of the surface of the                      the Nanoscale Materials Stewardship
                                                 reportable chemical substances                          reportable chemical substance to its                   Program are not required to report the
                                                 identified in (iii);                                    mass or volume. Specific surface area by               information previously submitted
                                                    (ii) There is a size variation in the                mass is the ratio of the area of the                   except where the person manufactures
                                                 mean particle size that is greater than 7               surface of a nanoscale material divided                or processes a discrete form of the
                                                 times the standard deviation of the                     by the mass (m2/kg) and the specific                   reportable chemical substance.
                                                 mean particle size (+/¥ 7 times the                     surface area by volume is the area of the                 (d) What information to report. The
                                                 standard deviation); and                                surface of the reportable chemical                     following information must be reported
                                                    (iii) There is a measured change in at               substance divided by its volume m2/m3.                 for each discrete form of a reportable
                                                 least one of the following properties,                     Zeta Potential is the electrokinetic                chemical substance to the extent that it
                                                 zeta potential, specific surface area,                  potential in colloidal systems. It is                  is known to or reasonably ascertainable
                                                 dispersion stability, or surface                        measured as the net number of positive                 by the person reporting:
                                                 reactivity, is greater than 7 times the                 and negative charges per unit particle                    (1) The common or trade name, the
                                                 standard deviation of the measured                      surface area in Coulomb/m2.                            specific chemical identity including the
                                                 value (+/¥ 7 times the standard                            Surface reactivity means the reactivity             correct Chemical Abstracts (CA) Index
                                                 deviation);                                             at the surface of a reportable chemical                Name and available Chemical Abstracts
                                                    (2) The reportable chemical substance                substance. It is dependent upon factors                Service (CAS) Registry Number, and the
                                                 has a different morphology. Examples of                 such as redox potential, which is a                    molecular structure of each chemical
                                                 morphologies include but are not                        measure of the tendency of a substance                 substance or mixture. Information must
                                                 limited to sphere, rod, ellipsoid,                      to lose or acquire electrons,                          be reported as specified in § 720.45.
                                                 cylinder, needle, wire, fiber, cage,                    photocatalytic activity, including the                    (2) Material characteristics including
                                                 hollow shell, tree, flower, ring, torus,                potential to generate free radicals.                   particle size, morphology, and surface
                                                 cone, and sheet; or                                        (b) Persons who must report.                        modifications.
                                                    (3) A reportable chemical substance                     (1) Manufacturers and processors of a                  (3) Physical/chemical properties.
                                                 that is coated with another chemical                    discrete form of a reportable chemical                    (4) The maximum weight percentage
                                                 substance or mixture at the end of                      substance during the three years prior to              of impurities and byproducts resulting
                                                 manufacturing or processing has a                       the final effective date of the rule must              from the manufacture, processing, use,
                                                 coating that consists of a different                    report except as provided in paragraph                 or disposal of each chemical substance.
                                                 chemical substance or mixture.                          (c) of this section.                                      (5)(i) Persons described in paragraph
                                                    The Nanoscale Materials Stewardship                     (2) Persons who propose to                          (b)(1) of this section must report the
                                                 Program was a program conducted by                      manufacture or process a discrete form                 annual production volume for the
                                                 EPA from January 2008 to December                       of a reportable chemical substance after               previous three years before the effective
                                                 2009 under which some nanoscale                         the final effective date of the rule which             date of the final rule and an estimate of
                                                 material manufacturers and processors                   was not reported under paragraph (b)(1)                the maximum production volume for
                                                 voluntarily provided EPA available                      must report except as provided in                      any consecutive 12-month period
                                                 information on engineered nanoscale                     paragraph (c) of this section.                         during the next two years of production
                                                 materials that were manufactured                           (c) When reporting is not required.                 after the final effective date of this rule.
                                                 processed or used.                                         (1) The following chemical substances                  (ii) Persons described in paragraph
                                                    Primary particles are particles or                   are not subject to reporting under this                (b)(2) of this section must report the
                                                 droplets that form during manufacture                   section:
                                                                                                                                                                estimated maximum 12 month
                                                                                                            (i) Zinc oxide
                                                 of a chemical substance before                                                                                 production volume and the estimated
                                                                                                            (ii) Nanoclays
                                                 aggregation or agglomerization occurs.                     (iii) Chemical substances                           maximum production volume for any
                                                    A reportable chemical substance is a                                                                        consecutive 12 month period during the
                                                                                                         manufactured at the nanoscale as part of
                                                 chemical substance that is solid at 25 °C               a film on a surface                                    first three years of production.
                                                 and atmospheric pressure that is                           (iv) DNA                                               (iii) Estimates for paragraphs (d)(5)(i)
                                                 manufactured or processed in a form                        (v) RNA                                             and (ii) of this section must be on 100%
                                                 where the primary particles, aggregates,                   (vi) Proteins                                       chemical basis of the discrete form of
                                                 or agglomerates are in the size range of                   (vii) Chemical substances which                     the solid nanoscale material.
                                                 1–100 nm and exhibit unique and novel                   dissociate completely in water to form                    (6) Use information describing the
                                                 characteristics or properties because of                ions that are smaller than 1 nanometer.                category of each use by function and
                                                 their size. A reportable chemical                          (2) Persons who submitted a TSCA                    application, estimates of the amount
                                                 substance does not include a chemical                   chemical notice under 40 CFR part 720,                 manufactured or processed for each
                                                 substance that only has trace amounts of                721, or 723 for a reportable chemical                  category of use, and estimates of the
                                                 primary particles, aggregates, or                       substance on or after January 1, 2005 are              percentage in the formulation for each
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                                                 agglomerates in the size range of 1–100                 not required to submit a report for the                use.
                                                 nm, such that the chemical substance                    reportable chemical substance                             (7) Detailed methods of
                                                 does not exhibit the unique and novel                   submitted except where the person                      manufacturing or processing.
                                                 characteristics or properties because of                manufactured or processed a discrete                      (8) Exposure information with
                                                 particle size.                                          form of the reportable chemical                        estimates of the number of individuals
                                                    A small manufacturer or processor                    substance.                                             exposed in their places of employment,
                                                 means any manufacturer or processor                        (3) Section 704.5 (a) through (e) apply             descriptions and duration of the
                                                 whose total annual sales, when                          to reporting under this section. Small                 occupational tasks that cause such


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                                                 18342                     Federal Register / Vol. 80, No. 65 / Monday, April 6, 2015 / Proposed Rules

                                                 exposure, descriptions and estimates of                 FEDERAL COMMUNICATIONS                                 people with disabilities (braille, large
                                                 any general population or consumer                      COMMISSION                                             print, electronic files, or audio format),
                                                 exposures.                                                                                                     send an email to fcc504@fcc.gov or call
                                                                                                         47 CFR Part 12                                         the Consumer & Governmental Affairs
                                                   (9) Release information with estimates
                                                 of the amounts released, descriptions                   [PS Docket No. 14–193; PS Docket No. 13–               Bureau at 202–418–0530 (voice), (202)
                                                 and duration of the activities that cause               75; FCC 14–186]                                        418–0432 (TTY).
                                                 such releases, and whether releases are                                                                        FOR FURTHER INFORMATION CONTACT:   Eric
                                                                                                         911 Governance and Accountability;
                                                 directly to the environment or to control                                                                      Schmidt, Attorney Advisor, Public
                                                                                                         Improving 911 Reliability
                                                 technology.                                                                                                    Safety and Homeland Security Bureau,
                                                   (10) Risk management practices                        AGENCY:  Federal Communications                        (202) 418–1214, eric.schmidt@fcc.gov.
                                                 describing protective equipment for                     Commission.
                                                                                                                                                                SUPPLEMENTARY INFORMATION:    This is a
                                                 individuals, engineering controls,                      ACTION: Proposed rule; extension of
                                                                                                                                                                summary of the Bureau’s Order in PS
                                                 control technologies used, any hazard                   comment and reply comment deadlines.
                                                                                                                                                                Docket Nos. 14–193 and 13–75, DA 15–
                                                 warning statement, label, safety data                                                                          299, adopted and released on March 6,
                                                                                                         SUMMARY:   In this document, the Public
                                                 sheet, customer training, or other                                                                             2015, and pertaining to the proposed
                                                                                                         Safety and Homeland Security Bureau
                                                 information which is provided to any                    (Bureau) extends the deadline for filing               rule published January 22, 2015 (80 FR
                                                 person who is reasonably likely to be                   comments and reply comments on its                     3191). The complete text of this
                                                 exposed to this substance regarding                     911 Governance and Accountability                      document is available for public
                                                 protective equipment or practices for                   Notice of Proposed Rulemaking (911                     inspection and copying from 8 a.m. to
                                                 the safe handing, transport, use, or                    Governance NPRM), which sought                         4:30 p.m. ET Monday through Thursday
                                                 disposal of the substance.                              comment on mechanisms to ensure, in                    or from 8 a.m. to 11:30 a.m. ET on
                                                   (11) Existing data concerning the                     cooperation with state and local                       Fridays in the FCC Reference
                                                 environmental and health effects.                       partners, that the nation’s 911                        Information Center, 445 12th Street SW.,
                                                   (e) How to report. You must use CDX                   governance structure keeps pace with                   Room CY–A257, Washington, DC 20554.
                                                                                                         evolving technology so that all entities               The complete text is also available on
                                                 and the CISS tool to complete and
                                                                                                         providing 911 service capabilities                     the Commission’s Web site at http://
                                                 submit the information required under
                                                                                                         remain accountable for reliable 911 call               transition.fcc.gov/Daily_Releases/Daily_
                                                 this part to EPA electronically.                        completion and accurate situational
                                                   (1) Reporting form. You must                                                                                 Business/2015/db0306/DA-15-
                                                                                                         awareness.
                                                 complete EPA Form No. 7710–xx, TSCA                                                                            299A1.pdf, or by using the search
                                                                                                         DATES:  The comment period for the                     function on the ECFS Web page at
                                                 § 8(a) Reporting for Nanoscale Materials:               proposed rule published January 22,                    http://www.fcc.gov/cgb/ecfs/.
                                                 Data Submission Form.                                   2015 (80 FR 3191) is reopened.
                                                   (2) Electronic submission. You must                   Comments were due on or before March                   Summary
                                                 submit the required information to EPA                  23, 2015, and reply comments are due                      The Bureau released an Order on
                                                 electronically via CDX and using the                    on or before April 21, 2015.
                                                                                                                                                                March 6, 2015, which extends the
                                                 CISS tool.                                              ADDRESSES: You may submit comments                     comment and reply comment filing
                                                   (i) To access the CDX portal, go to                   to the 911 Governance NPRM, identified                 deadlines for the 911 Governance
                                                 https://cdx.epa.gov.                                    by PS Docket Nos. 14–193 and 13–75,                    NPRM, 80 FR 3191, January 22, 2015.
                                                                                                         by any of the following methods:                       The Order responded to a joint petition
                                                   (ii) The CISS tool is accessible in
                                                                                                           • Electronic Filers: Federal                         by the Association for
                                                 CDX.
                                                                                                         Communication Commission’s                             Telecommunications Industry Solutions
                                                   (f) When to report.                                   Electronic Comments Filing System
                                                                                                                                                                (ATIS); the Association of Public Safety
                                                   (1) Persons specified in paragraph                    (ECFS): http://fjallfoss.fcc.gov/ecfs2/.
                                                                                                                                                                Communications Officials International
                                                 (b)(1) of this section must report the                  Follow the instructions for submitting
                                                                                                                                                                (APCO); the Industry Council for
                                                 information specified in paragraph (d)                  comments.
                                                                                                           • Paper Filers: All hand-delivered or                Emergency Response Technologies
                                                 of this section within six months after                                                                        (iCERT); the National Association of
                                                 the final effective date of the rule.                   messenger-delivered paper filings for
                                                                                                         the Commission’s Secretary must be                     State 911 Administrators (NASNA); the
                                                   (2) Persons specified in paragraph                    delivered to FCC Headquarters at 445                   National Emergency Number
                                                 (b)(2) of this section must report the                  12th Street SW., Room TW–A325,                         Association (NENA); and the United
                                                 information specified in paragraph (d)                  Washington, DC 20554. The filing hours                 States Telecom Association (USTA)
                                                 of this section at least 135 days before                are 8 a.m. to 7 p.m. Eastern Time (ET).                seeking an extension of the comment
                                                 commencing manufacture or processing                    All hand deliveries must be held                       period. Pursuant to sections 4(i) of the
                                                 of the chemical substance.                              together with rubber bands or fasteners.               Communications Act of 1934, as
                                                   (g) Recordkeeping. Any person subject                 Any envelopes and boxes must be                        amended, and pursuant to the authority
                                                 to the reporting requirements of this                   disposed of before entering the building.              delegated in 47 CFR 0.191, 0.392, and
                                                 section is subject to the recordkeeping                 Commercial overnight mail (other than                  1.46, the Bureau extended the deadline
                                                 requirements in § 704.11 (a) and (b).                   U.S. Postal Service Express Mail and                   for filing comments until March 23,
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                                                                                                         Priority Mail) must be sent to 9300 East               2015, and extends the deadline for reply
                                                   (h) Confidential business information.
                                                                                                         Hampton Drive, Capitol Heights, MD                     comments until April 21, 2015.
                                                 Persons submitting a notice under this
                                                                                                         20743. U.S. Postal Service first-class,                Federal Communications Commission.
                                                 rule are subject to the requirements for                Express, and Priority mail must be
                                                 confidential business information                       addressed to 445 12th Street SW.,
                                                                                                                                                                Marlene H. Dortch,
                                                 claims in § 704.7.                                      Washington, DC 20554.                                  Secretary.
                                                 [FR Doc. 2015–07497 Filed 4–3–15; 8:45 am]                • People With Disabilities: To request               [FR Doc. 2015–07392 Filed 4–3–15; 8:45 am]
                                                 BILLING CODE 6560–50–P                                  materials in accessible formats for                    BILLING CODE 6712–01–P




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Document Created: 2015-12-18 11:18:19
Document Modified: 2015-12-18 11:18:19
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionProposed Rules
ActionProposed rule.
DatesComments must be received on or before July 6, 2015.
ContactFor technical information contact: Jim Alwood, Chemical Control Division (7405M), Office of Pollution Prevention and Toxics, Environmental Protection Agency, 1200 Pennsylvania Ave. NW., Washington, DC 20460-0001; telephone
FR Citation80 FR 18330 
RIN Number2070-AJ54
CFR AssociatedEnvironmental Protection; Chemicals; Hazardous Materials; Recordkeeping and Reporting Requirements

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