83_FR_35279 83 FR 35136 - Additional Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards-San Antonio, Texas Area

83 FR 35136 - Additional Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards-San Antonio, Texas Area

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 83, Issue 143 (July 25, 2018)

Page Range35136-35141
FR Document2018-15919

The Environmental Protection Agency (EPA) is establishing initial air quality designations for the eight counties in the San Antonio-New Braunfels, Texas Core Based Statistical Area (CBSA) for the 2015 primary and secondary national ambient air quality standards (NAAQS) for ozone. The EPA is designating Bexar County as the San Antonio, Texas nonattainment area and the remaining seven counties as attainment/unclassifiable areas. The San Antonio, Texas nonattainment area is also being classified as Marginal by operation of law according to the severity of its air quality problem. Of the five classification categories, Marginal nonattainment areas have ozone levels that are closest to the ozone NAAQS at the time of designation. This action completes the initial designations for the 2015 ozone NAAQS. The EPA designated all other areas of the country for the 2015 ozone NAAQS in actions signed by the Administrator on November 6, 2017, and April 30, 2018.

Federal Register, Volume 83 Issue 143 (Wednesday, July 25, 2018)
[Federal Register Volume 83, Number 143 (Wednesday, July 25, 2018)]
[Rules and Regulations]
[Pages 35136-35141]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-15919]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 81

[EPA-HQ-OAR-2017-0548; FRL-9981-17-OAR]
RIN 2060-AU13


Additional Air Quality Designations for the 2015 Ozone National 
Ambient Air Quality Standards--San Antonio, Texas Area

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: The Environmental Protection Agency (EPA) is establishing 
initial air quality designations for the eight counties in the San 
Antonio-New Braunfels, Texas Core Based Statistical Area (CBSA) for the 
2015 primary and secondary national ambient air quality standards 
(NAAQS) for ozone. The EPA is designating Bexar County as the San 
Antonio, Texas nonattainment area and the remaining seven counties as 
attainment/unclassifiable areas. The San Antonio, Texas nonattainment 
area is also being classified as Marginal by operation of law according 
to the severity of its air quality problem. Of the five classification 
categories, Marginal nonattainment areas have ozone levels that are 
closest to the ozone NAAQS at the time of designation. This action 
completes the initial designations for the 2015 ozone NAAQS. The EPA 
designated all other areas of the country for the 2015 ozone NAAQS in 
actions signed by the Administrator on November 6, 2017, and April 30, 
2018.

DATES: The effective date of this rule is September 24, 2018.

ADDRESSES: The EPA has established a docket for this action under 
Docket ID No. EPA-HQ-OAR-2017-0548. All documents in the docket are 
listed in the index at http://www.regulations.gov. Although listed in 
the index, some information is not publicly available, i.e., 
Confidential Business Information or other information whose disclosure 
is restricted by statute. Certain other material, such as copyrighted 
material, is not placed on the internet and will be publicly available 
only in hard copy form. Publicly available docket materials are 
available either electronically in the docket or in hard copy at the 
EPA Docket Center, EPA WJC West Building, Room 3334, 1301 Constitution 
Avenue NW, Washington, DC. The Public Reading Room is open from 8:30 
a.m. to 4:30 p.m., Monday through Friday, excluding legal holidays. The 
telephone number for the Public Reading Room is (202) 566-1744, and the 
telephone number for the Office of Air and Radiation Docket and 
Information Center is (202) 566-1742.
    In addition, the EPA has established a website for rulemakings for 
the initial area designations for the 2015 ozone NAAQS at https://www.epa.gov/ozone-designations. The website includes the EPA's final 
designations, as well as designation recommendation letters from states 
and tribes, the EPA's 120-letters notifying the states whether the EPA 
intends to modify the state's recommendation, technical support 
documents, responses to comments and other related technical 
information.
    The public may also inspect this rule and state-specific technical 
support information in hard copy at EPA Region 6, 1445 Ross Avenue, 
Suite 700, Dallas, Texas 75202-2733.

FOR FURTHER INFORMATION CONTACT: Denise Scott, Office of Air Quality 
Planning and Standards, U.S. Environmental Protection Agency, Mail Code 
C539-01, Research Triangle Park, NC 27711, phone number (919) 541-4280, 
email: [email protected] or Carrie Paige, U.S. Environmental 
Protection Agency, Region 6, Mail Code: 6MM-AB, 445 Ross Avenue, 
Dallas, TX 75202, telephone (214) 665-6521, email: 
[email protected].

SUPPLEMENTARY INFORMATION:

Table of Contents

    The following is an outline of the preamble.

I. Preamble Glossary of Terms and Acronyms
II. What is the purpose of this action?
III. What is ozone and how is it formed?
IV. What are the 2015 ozone NAAQS and the health and welfare 
concerns they address?
V. What are the CAA requirements for air quality designations?
VI. What is the chronology for this designations rule and what 
guidance did the EPA provide?
VII. What air quality data has the EPA used to designate the 
counties in the San Antonio-New Braunfels, Texas CBSA for the 2015 
ozone NAAQS?
VIII. What are the ozone air quality classifications?
IX. Where can I find information forming the basis for this rule and 
exchanges between the EPA and the state?
X. Environmental Justice Concerns
XI. Statutory and Executive Order Reviews
    A. Executive Order 12866: Regulatory Planning and Review and 
Executive Order 13563: Improving Regulations and Regulatory Review
    B. Executive Order 13771: Reducing Regulations and Controlling 
Regulatory Costs
    C. Paperwork Reduction Act (PRA)
    D. Regulatory Flexibility Act (RFA)
    E. Unfunded Mandates Reform Act (UMRA)
    F. Executive Order 13132: Federalism
    G. Executive Order 13175: Consultation and Coordination With 
Indian Tribal Governments
    H. Executive Order 13045: Protection of Children From 
Environmental Health and Safety Risks
    I. Executive Order 13211: Actions That Significantly Affect 
Energy Supply, Distribution or Use
    J. National Technology Transfer and Advancement Act (NTTAA)
    K. Executive Order 12898: Federal Actions To Address 
Environmental Justice in Minority Populations and Low-Income 
Populations
    L. Congressional Review Act (CRA)
    M. Judicial Review

I. Preamble Glossary of Terms and Acronyms

    The following are abbreviations of terms used in the preamble.

APA Administrative Procedure Act
CAA Clean Air Act
CFR Code of Federal Regulations
CBSA Core Based Statistical Area
DC District of Columbia
EPA Environmental Protection Agency
FR Federal Register
NAAQS National Ambient Air Quality Standards
NOX Nitrogen Oxides
NTTAA National Technology Transfer and Advancement Act
PPM Parts per million
RFA Regulatory Flexibility Act
UMRA Unfunded Mandate Reform Act of 1995
TAR Tribal Authority Rule
U.S. United States
U.S.C. United States Code
VOC Volatile Organic Compounds

[[Page 35137]]

II. What is the purpose of this action?

    The purpose of this action is to announce and promulgate initial 
area designations for the eight counties in the San Antonio-New 
Braunfels, Texas CBSA with respect to the 2015 primary and secondary 
NAAQS for ozone, in accordance with the requirements of Clean Air Act 
(CAA) section 107(d). The EPA is designating Bexar County as the San 
Antonio, Texas nonattainment area and the remaining seven counties as 
attainment/unclassifiable areas. With this designation action, the EPA 
has completed the initial designations for all areas of the country for 
the 2015 ozone NAAQS.
    In addition, this action announces the classification for the San 
Antonio, Texas nonattainment area as Marginal. The classification 
occurs by operation of law at the time of designation based on the 
severity of the area's ozone air quality problem. The classification 
categories are Marginal, Moderate, Serious, Severe and Extreme. The EPA 
established the air quality thresholds that define the classifications 
in a separate rule titled, ``Implementation of the 2015 National 
Ambient Air Quality Standards for Ozone: Nonattainment Area 
Classifications Approach'' (Classifications Rule) (83 FR 10376; March 
9, 2018).
    The list of the areas being designated in this action appears in 
the regulatory table for Texas included at the end of this final rule. 
This table, which will amend 40 CFR part 81, identifies the designation 
for each area and the classification for the nonattainment area.
    The EPA is basing the designations on the most recent 3 years of 
certified ozone air quality monitoring data (2015-2017) and on an 
evaluation of factors to assess contributions to nonattainment in 
nearby areas. State areas designated as nonattainment are subject to 
planning and emission reduction requirements as specified in CAA part 
D. Requirements vary according to an area's classification. On November 
17, 2016, the EPA proposed an implementation rule for the 2015 ozone 
NAAQS (81 FR 81276). The EPA anticipates issuing the final 
implementation rule in 2018. This final implementation rule, along with 
additional forthcoming tools and guidance documents related to 
provisions for regulatory relief to address background and 
international ozone concentrations, should help nonattainment areas to 
address these emissions in state plans. In particular, the EPA 
recognizes that the information provided by Texas regarding likely 
future ozone trends and the role of international transport may provide 
an avenue to help the state demonstrate this area attains the 2015 
ozone NAAQS by the attainment date or is otherwise entitled to 
regulatory relief.

III. What is ozone and how is it formed?

    Ground-level ozone is a gas that is formed by the reaction of 
volatile organic compounds (VOCs) and oxides of nitrogen 
(NOX) in the atmosphere in the presence of sunlight. These 
precursor emissions are emitted by many types of pollution sources, 
including power plants and industrial emissions sources, on-road and 
off-road motor vehicles and engines and smaller sources, collectively 
referred to as area sources. Ozone is predominately a summertime air 
pollutant. However, high ozone concentrations have also been observed 
in cold months, where a few areas in the western United States (U.S.) 
have experienced high levels of local VOC and NOX emissions 
that have formed ozone when snow is on the ground and temperatures are 
near or below freezing. Ozone and ozone precursors can be transported 
to an area from sources in nearby areas or from sources located 
hundreds of miles away. For purposes of determining ozone nonattainment 
area boundaries, the CAA requires the EPA to include areas that 
contribute to nearby violations of the NAAQS.

IV. What are the 2015 ozone NAAQS and the health and welfare concerns 
they address?

    On October 1, 2015, the EPA revised both the primary and secondary 
NAAQS for ozone to a level of 0.070 parts per million (ppm) (annual 
fourth-highest daily maximum 8-hour average concentration, averaged 
over 3 years).\1\ The level of both the primary and secondary ozone 
NAAQS previously set in 2008 is 0.075 ppm. The 2015 ozone NAAQS retain 
the same general form and averaging time as the 2008 ozone NAAQS.
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    \1\ See 80 FR 65296; October 26, 2015, for a detailed 
explanation of the calculation of the 3-year 8-hour average and 40 
CFR part 50, Appendix U.
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    The primary ozone standards provide protection for children, older 
adults, people with asthma or other lung diseases and other at-risk 
populations against an array of adverse health effects that include 
reduced lung function, increased respiratory symptoms and pulmonary 
inflammation; effects that contribute to emergency department visits or 
hospital admissions; and mortality. The secondary ozone standards 
protect against adverse effects to the public welfare, including those 
related to impacts on sensitive vegetation and forested ecosystems.

V. What are the CAA requirements for air quality designations?

    When the EPA promulgates a new or revised NAAQS, the EPA is 
required to designate all areas in the country as nonattainment, 
attainment or unclassifiable, pursuant to section 107(d)(1) of the CAA. 
Section 107(d)(1)(A)(i) of the CAA defines a nonattainment area as, 
``any area that does not meet (or that contributes to ambient air 
quality in a nearby area that does not meet) the national primary or 
secondary ambient air quality standard for the pollutant.'' If an area 
meets either prong of this definition, states should recommend and the 
EPA is obligated to designate the area as ``nonattainment.'' CAA 
section 107(d)(1)(A)(ii) defines an attainment area as any area that 
does not meet the definition of nonattainment and that meets the NAAQS. 
CAA section 107(d)(1)(A)(iii) provides that any area that the EPA 
cannot designate on the basis of available information as meeting or 
not meeting the standards should be designated as ``unclassifiable.'' 
Historically for ozone, the EPA has designated most areas that do not 
meet the definition of nonattainment as ``unclassifiable/attainment.'' 
This category includes areas that have air quality monitoring data 
meeting the NAAQS and areas that do not have monitors but for which the 
EPA has no evidence that the areas may be violating the NAAQS or 
contributing to a nearby violation. In the designations for the 2015 
ozone NAAQS, the EPA has reversed the order of the label to be 
attainment/unclassifiable to better convey the definition of the 
designation category and so that the category is more easily 
distinguished from the separate unclassifiable category. In a few 
instances, based on circumstances where some monitoring data are 
available but are not sufficient for a determination that an area is or 
is not attaining the NAAQS, the EPA has designated an area as 
``unclassifiable.''
    Section 107(d)(1)(B) of the CAA requires the EPA to issue initial 
area designations within 2 years of promulgating a new or revised 
NAAQS. However, if the Administrator has insufficient information to 
make these designations within that time frame, the EPA has the 
authority to extend the deadline for designation decisions by up to 1 
additional year.
    By not later than 1 year after the promulgation of a new or revised

[[Page 35138]]

NAAQS, each state governor is required to recommend air quality 
designations, including the appropriate boundaries for areas, to the 
EPA. (See CAA section 107(d)(1)(A).) The EPA reviews those state 
recommendations and is authorized to make any modifications the 
Administrator deems necessary. The statute does not define the term 
``necessary,'' but the EPA interprets this to authorize the 
Administrator to modify designation recommendations that are 
inconsistent with the statutory language, including modification of 
recommended boundaries for nonattainment areas that are not supported 
by the facts or analysis. If the EPA intends to modify a state's 
recommendation, section 107(d)(1)(B) of the CAA requires the EPA to 
notify the state of any such intended modifications not less than 120 
days prior to the EPA's promulgation of the final designation. These 
notifications are commonly known as the ``120-day letters.'' If the 
state does not agree with the EPA's intended modification, the 120-day 
period provides an opportunity for the state to demonstrate to the EPA 
why it believes any modification proposed by the EPA is inappropriate. 
If a state fails to provide any recommendation for an area, in whole or 
in part, the EPA must promulgate a designation that the Administrator 
deems appropriate.
    The terms ``contributes to'' and ``nearby'' in the definition of a 
nonattainment area are not defined in the statute and the EPA has 
discretion to interpret these ambiguous terms, based on considerations 
such as the nature of a specific pollutant, the types of sources that 
may contribute to violations, the form of the relevant NAAQS and any 
other relevant information. The EPA does not interpret the statute to 
require the agency to establish bright line tests or thresholds for 
what constitutes ``contribution'' or ``nearby'' for purposes of 
designations.\2\
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    \2\ This view was confirmed in Catawba County v. EPA, 571 F.3d 
20 (D.C. Cir. 2009).
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    Section 301(d) of the CAA authorizes the EPA to approve eligible 
Indian tribes to implement provisions of the CAA on Indian reservations 
and other areas within the tribes' jurisdiction. The Tribal Authority 
Rule (TAR) (40 CFR part 49), which implements section 301(d) of the 
CAA, sets forth the criteria and process for tribes to apply to the EPA 
for eligibility to administer CAA programs. The designations process 
contained in section 107(d) of the CAA is included among those 
provisions determined to be appropriate by the EPA for treatment of 
tribes in the same manner as states. Under the TAR, tribes generally 
are not subject to the same submission schedules imposed by the CAA on 
states. As authorized by the TAR, tribes may seek eligibility to submit 
designation recommendations to the EPA.

VI. What is the chronology for this designations rule and what guidance 
did the EPA provide?

    On February 25, 2016, the EPA issued guidance for states and tribal 
agencies to use for purposes of making designation recommendations as 
required by CAA section 107(d)(1)(A). (See February 25, 2016, 
memorandum from Janet G. McCabe, Acting Assistant Administrator, to 
Regional Administrators, Regions 1-10, titled, ``Area Designations for 
the 2015 Ozone National Ambient Air Quality Standards'' (Designations 
Guidance)). The Designations Guidance provided the anticipated timeline 
for designations and identified important factors that the EPA 
recommended states and tribes consider in making their recommendations 
and that the EPA intended to consider in promulgating designations. 
These factors include air quality data, emissions and emissions-related 
data, meteorological data, geography/topography and jurisdictional 
boundaries. In the Designations Guidance, the EPA asked that states and 
tribes submit their designation recommendations, including appropriate 
area boundaries, to the EPA by October 1, 2016.\3\ In the guidance, the 
EPA indicated the agency expected to complete the initial designations 
for the 2015 ozone NAAQS on a 2-year schedule, by October 1, 2017, 
consistent with CAA 107(d)(1)(B)(i).
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    \3\ The EPA previously issued two guidance memoranda related to 
designating areas of Indian country that also apply for designations 
for the 2015 ozone NAAQS. (See December 20, 2011, memorandum from 
Stephen D. Page, Director, Office of Air Quality Planning and 
Standards, to Regional Air Directors, Regions I-X, titled, ``Policy 
for Establishing Separate Air Quality Designations for Areas of 
Indian Country'' and December 20, 2011, memorandum from Stephen D. 
Page, Director, Office of Air Quality Planning and Standards, to 
Regional Air Directors, Regions I-X, titled, ``Guidance to Regions 
for Working with Tribes during the National Ambient Air Quality 
Standards (NAAQS) Designations Process.'')
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    On November 6, 2017, the EPA designated about 85 percent of the 
counties in the U.S., including tribal lands within those counties.\4\ 
Consistent with the EPA's Tribal Designation Guidance, the EPA 
designated two areas of Indian country as separate areas.
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    \4\ Although the EPA commonly uses the term ``counties'' when 
speaking of designations, we note that the reference to ``counties'' 
also includes non-county administrative or statistical areas that 
are comparable to counties. For example, Louisiana parishes; the 
organized boroughs of Alaska; the District of Columbia and the 
independent cities of the states of Virginia, Maryland, Missouri and 
Nevada are equivalent to counties for administrative purposes. In 
addition, Alaska's Unorganized Borough is divided into 10 census 
areas that are statistically equivalent to counties.
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    On December 4, 2017, a coalition of environmental and health 
organizations filed suit against the EPA claiming that the EPA failed 
to meet its mandatory obligation to designate all areas of the U.S. for 
the 2015 ozone NAAQS by October 1, 2017. American Lung Association, et 
al v. Pruitt (N.D. Cal. No. 4:17-cv-06900). A coalition of 15 states 
also filed a similar suit on December 5, 2017. State of California v. 
Pruitt (N.D. Cal. No. 4:17-cv-06936). In a March 12, 2018, order, the 
court granted the motions in part and ordered the EPA ``to promulgate 
final designations for all areas of the country except for the eight 
undesignated counties composing the San Antonio area no later than 
April 30, 2018'' and ``to promulgate final designations for the San 
Antonio area no later than 127 days from the date of this order.'' 
Thus, the designation deadline for the San Antonio area was set to July 
17, 2018.
    On March 19, 2018, the EPA sent a 120-day letter to the Governor of 
Texas notifying the state of the EPA's preliminary response to the 
state's recommendations for the eight counties in the San Antonio-New 
Braunfels, Texas CBSA. The EPA requested that Texas submit by May 11, 
2018, any additional information the state wanted the EPA to consider 
in making final designation decisions for the area. Although not 
required by section 107(d)(2)(B) of the CAA, the EPA also provided a 
30-day public comment period specific to this area (83 FR 13719; March 
30, 2018). The comment period closed on April 30, 2018.
    On April 30, 2018, the EPA designated all remaining undesignated 
areas except the eight counties in the San Antonio area (83 FR 25776; 
June 4, 2018).
    This action designating the eight counties in the San Antonio area 
completes the initial designations for the 2015 ozone NAAQS. The 
ADDRESSES section earlier in this preamble provides detail on where to 
find the information supporting this designation action and the prior 
two actions.

VII. What air quality data has the EPA used to designate the counties 
in the San Antonio-New Braunfels, Texas CBSA for the 2015 ozone NAAQS?

    The final ozone designations for the counties in the San Antonio-
New

[[Page 35139]]

Braunfels, Texas CBSA are based on air quality monitoring data from the 
3 most recent years of certified data, which are 2015-2017. Under 40 
CFR 58.16, states are required to report all monitored ozone air 
quality data and associated quality assurance data within 90 days after 
the end of each quarterly reporting period, and under 40 CFR part 
58.15(a)(2) states are required to submit annual summary reports and a 
data certification letter to the EPA by May 1 for ozone air quality 
data collected in the previous calendar year. On March 19, 2018, when 
the EPA notified Texas of the EPA's intended designations for the San 
Antonio area, the most recent certification obligation was for air 
quality data from 2016. On May 1, 2018, Texas submitted certified air 
quality monitoring data for 2017. The violating monitors for the 2015-
2017 period are the same monitors that showed violations for the 2014-
2016 period.

VIII. What are the ozone air quality classifications?

    In accordance with CAA section 181(a)(1), each area designated as 
nonattainment for the ozone NAAQS is classified by operation of law at 
the same time as the area is designated by the EPA. Under subpart D of 
title I of the CAA, state planning and emissions control requirements 
for ozone are determined, in part, by a nonattainment area's 
classification. The ozone nonattainment areas are classified based on 
the severity of their ozone levels (as determined based on the area's 
``design value,'' which represents air quality in the area for the most 
recent 3 years).\5\ The five classification categories are Marginal, 
Moderate, Serious, Severe and Extreme. Nonattainment areas with a 
``lower'' classification have ozone levels that are closer to the 
standard than areas with a ``higher'' classification. Areas in the 
lower classification levels have fewer and/or less stringent mandatory 
air quality planning and control requirements than those in higher 
classifications. On March 9, 2018 (83 FR 10376), the EPA published the 
Classifications Rule that establishes the ozone level threshold for 
each classification for the 2015 ozone NAAQS. Each nonattainment area's 
design value, based on the most recent 3 years of certified air quality 
monitoring data, is used to establish the classification for the area. 
See Table 1.
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    \5\ The air quality design value for the 8-hour ozone NAAQS is 
the 3-year average of the annual 4th highest daily maximum 8-hour 
average ozone concentration. See 40 CFR part 50, Appendix U.

 Table 1--Classification Thresholds for the 2015 Ozone NAAQS (0.070 ppm)
------------------------------------------------------------------------
                                                           8-Hour ozone
       Nonattainment area                                  design value
         classification                                      (ppm) \a\
------------------------------------------------------------------------
Marginal.......................  from...................           0.071
                                 up to \b\..............           0.081
Moderate.......................  from...................           0.081
                                 up to \b\..............           0.093
Serious........................  from...................           0.093
                                 up to \b\..............           0.105
Severe-15......................  from...................           0.105
                                 up to \b\..............           0.111
Severe-17......................  from...................           0.111
                                 up to \b\..............           0.163
Extreme........................  equal to or above......           0.163
------------------------------------------------------------------------
\a\ parts per million.
\b\ but not including.

    The most recent 3 years of certified air quality monitoring data 
for Bexar County, Texas are from the period 2015-2017. The ozone design 
value is 0.074 ppm. Therefore, in accordance with Table 1 above, the 
San Antonio, Texas nonattainment area is classified by operation of law 
as a Marginal area for the 2015 ozone NAAQS. The regulatory table for 
Texas included at the end of this action provides the classification 
for the nonattainment area.

IX. Where can I find information forming the basis for this rule and 
exchanges between the EPA and the state?

    Information providing the basis for this action is provided in the 
docket for this rulemaking. The applicable EPA guidance memoranda and 
copies of correspondence regarding this process between the EPA and the 
state and other parties are also available for review at the EPA Docket 
Center listed above in the addresses section of this document, and on 
the EPA's ozone designation website at https://www.epa.gov/ozone-designations. State-specific information is also available from the EPA 
Region 6 office at the address at the beginning of this Preamble.

X. Environmental Justice Concerns

    When the EPA establishes a new or revised NAAQS, the CAA requires 
the EPA to designate all areas of the U.S. as either nonattainment, 
attainment or unclassifiable. This final action addresses designation 
determinations for eight counties in Texas for the 2015 ozone NAAQS. 
Seven counties are being designated as attainment/unclassifiable and 
one county is being designated as nonattainment. In addition, the 
nonattainment area is being classified as Marginal according to the 
severity of its ozone air quality problem. Area designations address 
environmental justice concerns by ensuring that the public is properly 
informed about the air quality in an area. In locations where air 
quality does not meet the NAAQS, the CAA requires relevant state 
authorities to initiate appropriate air quality management actions to 
ensure that all those residing, working, attending school or otherwise 
present in those areas are protected, regardless of minority and 
economic status.

XI. Statutory and Executive Order Reviews

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

    This action is exempt from review by the Office of Management and 
Budget because it responds to the CAA requirement to promulgate air 
quality designations after promulgation of a new or revised NAAQS.

[[Page 35140]]

B. Executive Order 13771: Reducing Regulations and Controlling 
Regulatory Costs

    This action is not an Executive Order 13771 regulatory action 
because actions such as air quality designations after promulgating a 
new revised NAAQS are exempt from review under Executive Order 12866.

C. Paperwork Reduction Act (PRA)

    This action does not impose an information collection burden under 
the PRA. This action fulfills the non-discretionary duty for the EPA to 
promulgate air quality designations after promulgation of a new or 
revised NAAQS and does not contain any information collection 
activities.

D. Regulatory Flexibility Act (RFA)

    This designation action under CAA section 107(d) is not subject to 
the RFA. The RFA applies only to rules subject to notice-and-comment 
rulemaking requirements under the Administrative Procedure Act (APA), 5 
U.S.C. 553, or any other statute. Section 107(d)(2)(B) of the CAA 
explicitly provides that designations are exempt from the notice-and-
comment provisions of the APA. In addition, designations under CAA 
section 107(d) are not among the list of actions that are subject to 
the notice-and-comment rulemaking requirements of CAA section 307(d).

E. Unfunded Mandates Reform Act (UMRA)

    This action does not contain any unfunded mandate as described in 
UMRA, 2 U.S.C. 1531-1538 and does not significantly or uniquely affect 
small governments. The action imposes no enforceable duty on any state, 
local or tribal governments or the private sector.

F. Executive Order 13132: Federalism

    This action does not have federalism implications. It will 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. The 
division of responsibility between the federal government and the 
states for purposes of implementing the NAAQS is established under the 
CAA.

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

    This action does not have tribal implications. It will neither 
impose substantial direct compliance costs on federally recognized 
tribal governments, nor preempt tribal law. There are no tribes 
affected by this action.

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

    The EPA interprets Executive Order 13045 as applying to those 
regulatory actions that concern environmental health or safety risks 
that the EPA has reason to believe may disproportionately affect 
children, per the definition of ``covered regulatory action'' in 
section 2-202 of the Executive Order. This action is not subject to 
Executive Order 13045 because it does not establish an environmental 
standard intended to mitigate health or safety risks.

I. Executive Order 13211: Actions That Significantly Affect Energy 
Supply, Distribution or Use

    This action is not subject to Executive Order 13211 because it is 
not a significant regulatory action under Executive Order 12866.

J. National Technology Transfer and Advancement Act (NTTAA)

    This rulemaking does not involve technical standards.

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

    The EPA believes that this action does not have disproportionately 
high and adverse human health or environmental effects on minority 
populations, low-income populations and/or indigenous peoples, as 
specified in Executive Order 12898 (59 FR 7629, February 16, 1994). The 
documentation for this determination is contained in Section X of this 
preamble, ``Environmental Justice Concerns.''

L. Congressional Review Act (CRA)

    This action is subject to the CRA, and the EPA will submit a rule 
report to each House of the Congress and to the Comptroller General of 
the U.S. This action is not a ``major rule'' as defined by 5 U.S.C. 
804(2).

M. Judicial Review

    Under section 307(b)(1) of the Act, petitions for judicial review 
of this action must be filed in the U.S. Court of Appeals for the 
appropriate circuit by September 24, 2018. Under section 307(b)(2) of 
the Act, the requirements of this final action may not be challenged 
later in civil or criminal proceedings for enforcement.

List of Subjects in 40 CFR Part 81

    Environmental protection, Air pollution control, National parks, 
Wilderness areas.

    Dated: July 17, 2018.
Andrew R. Wheeler,
Acting Administrator.

    For the reasons set forth in the preamble, 40 CFR part 81 is 
amended as follows:

PART 81--DESIGNATIONS OF AREAS FOR AIR QUALITY PLANNING PURPOSES

0
1. The authority citation for part 81 continues to read as follows:

    Authority: 42 U.S.C. 7401, et seq.

Subpart C--Section 107 Attainment Status Designations

0
2. In Sec.  81.344, the table titled ``Texas--2015 8-Hour Ozone NAAQS 
(Primary and Secondary)'' is amended by:
0
a. Adding an entry for San Antonio, TX before the entry for Rest of 
State;
0
b. Adding an entry for Atascosa County before the entry for Austin 
County;
0
c. Adding an entry for Bandera County before the entry for Bastrop 
County;
0
d. Adding an entry for Comal County before the entry for Comanche 
County;
0
e. Adding an entry for Guadalupe County before the entry for Hale 
County;
0
f. Adding an entry for Kendall County before the entry for Kenedy 
County;
0
g. Adding an entry for Medina County before the entry for Menard 
County; and
0
h. Adding an entry for Wilson County before the entry for Winkler 
County.
    The additions read as follows:


Sec.  81.344  Texas.

* * * * *

[[Page 35141]]



                                         Texas--2015 8-Hour Ozone NAAQS
                                             [Primary and Secondary]
----------------------------------------------------------------------------------------------------------------
                                                 Designation                           Classification
       Designated area \1\        ------------------------------------------------------------------------------
                                     Date \2\              Type              Date \2\             Type
----------------------------------------------------------------------------------------------------------------
 
                                                  * * * * * * *
San Antonio, TX..................    9/24/2018  Nonattainment............    9/24/2018  Marginal.
    Bexar County.................
 
                                                  * * * * * * *
Rest of State:
 
                                                  * * * * * * *
    Atascosa County..............    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
    Bandera County...............    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
    Comal County.................    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
    Guadalupe County.............    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
    Kendall County...............    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
    Medina County................    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
    Wilson County................    9/24/2018  Attainment/Unclassifiable
 
                                                  * * * * * * *
----------------------------------------------------------------------------------------------------------------
\1\ Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the
  boundaries of any area of Indian country in this table, including any area of Indian country located in the
  larger designation area. The inclusion of any Indian country in the designation area is not a determination
  that the state has regulatory authority under the Clean Air Act for such Indian country.
\2\ This date is August 3, 2018, unless otherwise noted.

[FR Doc. 2018-15919 Filed 7-24-18; 8:45 am]
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                                             35136                 Federal Register / Vol. 83, No. 143 / Wednesday, July 25, 2018 / Rules and Regulations

                                             ■ 10. Add table 2 to subpart LLL of part                          for the 2015 ozone NAAQS in actions                 II. What is the purpose of this action?
                                             63 to read as follows:                                            signed by the Administrator on                      III. What is ozone and how is it formed?
                                                                                                               November 6, 2017, and April 30, 2018.               IV. What are the 2015 ozone NAAQS and the
                                                                                                                                                                         health and welfare concerns they
                                                 TABLE 2 TO SUBPART LLL OF PART                                DATES: The effective date of this rule is                 address?
                                                  63—1989 TOXIC EQUIVALENCY FAC-                               September 24, 2018.                                 V. What are the CAA requirements for air
                                                  TORS (TEFS)                                                  ADDRESSES: The EPA has established a                      quality designations?
                                                                                                               docket for this action under Docket ID              VI. What is the chronology for this
                                                       Dioxins/Furans                     TEFs 1989            No. EPA–HQ–OAR–2017–0548. All                             designations rule and what guidance did
                                                                                                               documents in the docket are listed in                     the EPA provide?
                                             2,3,7,8–TCDD .......................                          1                                                       VII. What air quality data has the EPA used
                                             1,2,3,7,8-PeCDD ..................                          0.5
                                                                                                               the index at http://www.regulations.gov.
                                                                                                                                                                         to designate the counties in the San
                                             1,2,3,4,7,8-HxCDD ...............                           0.1   Although listed in the index, some                        Antonio-New Braunfels, Texas CBSA for
                                             1,2,3,6,7,8-HxCDD ...............                           0.1   information is not publicly available,                    the 2015 ozone NAAQS?
                                             1,2,3,7,8,9-HxCDD ...............                           0.1   i.e., Confidential Business Information             VIII. What are the ozone air quality
                                             1,2,3,4,6,7,8-HpCDD ............                          0.01    or other information whose disclosure is                  classifications?
                                             OCDD ...................................                 0.001    restricted by statute. Certain other                IX. Where can I find information forming the
                                             2,3,7,8–TCDF .......................                        0.1   material, such as copyrighted material,                   basis for this rule and exchanges
                                             1,2,3,7,8-PeCDF ...................                       0.05                                                              between the EPA and the state?
                                             2,3,4,7,8-PeCDF ...................                         0.5
                                                                                                               is not placed on the internet and will be
                                                                                                               publicly available only in hard copy                X. Environmental Justice Concerns
                                             1,2,3,4,7,8-HxCDF ................                          0.1                                                       XI. Statutory and Executive Order Reviews
                                             1,2,3,6,7,8-HxCDF ................                          0.1   form. Publicly available docket
                                                                                                                                                                      A. Executive Order 12866: Regulatory
                                             1,2,3,7,8,9-HxCDF ................                          0.1   materials are available either                            Planning and Review and Executive
                                             2,3,4,6,7,8-HxCDF ................                          0.1   electronically in the docket or in hard                   Order 13563: Improving Regulations and
                                             1,2,3,4,6,7,8-HpCDF .............                         0.01    copy at the EPA Docket Center, EPA                        Regulatory Review
                                             1,2,3,4,7,8,9-HpCDF .............                         0.01    WJC West Building, Room 3334, 1301                     B. Executive Order 13771: Reducing
                                             OCDF ....................................                0.001    Constitution Avenue NW, Washington,                       Regulations and Controlling Regulatory
                                             [FR Doc. 2018–15718 Filed 7–24–18; 8:45 am]
                                                                                                               DC. The Public Reading Room is open                       Costs
                                                                                                               from 8:30 a.m. to 4:30 p.m., Monday                    C. Paperwork Reduction Act (PRA)
                                             BILLING CODE 6560–50–P                                                                                                   D. Regulatory Flexibility Act (RFA)
                                                                                                               through Friday, excluding legal
                                                                                                               holidays. The telephone number for the                 E. Unfunded Mandates Reform Act
                                                                                                                                                                         (UMRA)
                                             ENVIRONMENTAL PROTECTION                                          Public Reading Room is (202) 566–1744,                 F. Executive Order 13132: Federalism
                                             AGENCY                                                            and the telephone number for the Office                G. Executive Order 13175: Consultation
                                                                                                               of Air and Radiation Docket and                           and Coordination With Indian Tribal
                                             40 CFR Part 81                                                    Information Center is (202) 566–1742.                     Governments
                                                                                                                  In addition, the EPA has established                H. Executive Order 13045: Protection of
                                             [EPA–HQ–OAR–2017–0548; FRL–9981–17–                               a website for rulemakings for the initial                 Children From Environmental Health
                                             OAR]
                                                                                                               area designations for the 2015 ozone                      and Safety Risks
                                             RIN 2060–AU13                                                     NAAQS at https://www.epa.gov/ozone-                    I. Executive Order 13211: Actions That
                                                                                                               designations. The website includes the                    Significantly Affect Energy Supply,
                                             Additional Air Quality Designations for                           EPA’s final designations, as well as                      Distribution or Use
                                             the 2015 Ozone National Ambient Air                                                                                      J. National Technology Transfer and
                                                                                                               designation recommendation letters                        Advancement Act (NTTAA)
                                             Quality Standards—San Antonio,                                    from states and tribes, the EPA’s 120-                 K. Executive Order 12898: Federal Actions
                                             Texas Area                                                        letters notifying the states whether the                  To Address Environmental Justice in
                                             AGENCY:  Environmental Protection                                 EPA intends to modify the state’s                         Minority Populations and Low-Income
                                             Agency (EPA).                                                     recommendation, technical support                         Populations
                                                                                                               documents, responses to comments and                   L. Congressional Review Act (CRA)
                                             ACTION: Final rule.
                                                                                                               other related technical information.                   M. Judicial Review
                                             SUMMARY:    The Environmental Protection                             The public may also inspect this rule            I. Preamble Glossary of Terms and
                                             Agency (EPA) is establishing initial air                          and state-specific technical support                Acronyms
                                             quality designations for the eight                                information in hard copy at EPA Region
                                             counties in the San Antonio-New                                   6, 1445 Ross Avenue, Suite 700, Dallas,                The following are abbreviations of
                                             Braunfels, Texas Core Based Statistical                           Texas 75202–2733.                                   terms used in the preamble.
                                             Area (CBSA) for the 2015 primary and                              FOR FURTHER INFORMATION CONTACT:                    APA Administrative Procedure Act
                                             secondary national ambient air quality                            Denise Scott, Office of Air Quality                 CAA Clean Air Act
                                             standards (NAAQS) for ozone. The EPA                              Planning and Standards, U.S.                        CFR Code of Federal Regulations
                                             is designating Bexar County as the San                            Environmental Protection Agency, Mail               CBSA Core Based Statistical Area
                                                                                                                                                                   DC District of Columbia
                                             Antonio, Texas nonattainment area and                             Code C539–01, Research Triangle Park,               EPA Environmental Protection Agency
                                             the remaining seven counties as                                   NC 27711, phone number (919) 541–                   FR Federal Register
                                             attainment/unclassifiable areas. The San                          4280, email: scott.denise@epa.gov or                NAAQS National Ambient Air Quality
                                             Antonio, Texas nonattainment area is                              Carrie Paige, U.S. Environmental                      Standards
                                             also being classified as Marginal by                              Protection Agency, Region 6, Mail Code:             NOX Nitrogen Oxides
                                             operation of law according to the                                 6MM–AB, 445 Ross Avenue, Dallas, TX                 NTTAA National Technology Transfer and
                                             severity of its air quality problem. Of the                       75202, telephone (214) 665–6521, email:               Advancement Act
                                             five classification categories, Marginal                          paige.carrie@epa.gov.                               PPM Parts per million
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                                             nonattainment areas have ozone levels                                                                                 RFA Regulatory Flexibility Act
                                                                                                               SUPPLEMENTARY INFORMATION:
                                                                                                                                                                   UMRA Unfunded Mandate Reform Act of
                                             that are closest to the ozone NAAQS at                                                                                  1995
                                             the time of designation. This action                              Table of Contents
                                                                                                                                                                   TAR Tribal Authority Rule
                                             completes the initial designations for                               The following is an outline of the               U.S. United States
                                             the 2015 ozone NAAQS. The EPA                                     preamble.                                           U.S.C. United States Code
                                             designated all other areas of the country                         I. Preamble Glossary of Terms and Acronyms          VOC Volatile Organic Compounds



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                                                               Federal Register / Vol. 83, No. 143 / Wednesday, July 25, 2018 / Rules and Regulations                                            35137

                                             II. What is the purpose of this action?                  future ozone trends and the role of                     to the public welfare, including those
                                                The purpose of this action is to                      international transport may provide an                  related to impacts on sensitive
                                             announce and promulgate initial area                     avenue to help the state demonstrate                    vegetation and forested ecosystems.
                                             designations for the eight counties in                   this area attains the 2015 ozone NAAQS
                                                                                                                                                              V. What are the CAA requirements for
                                             the San Antonio-New Braunfels, Texas                     by the attainment date or is otherwise
                                                                                                                                                              air quality designations?
                                             CBSA with respect to the 2015 primary                    entitled to regulatory relief.
                                                                                                                                                                 When the EPA promulgates a new or
                                             and secondary NAAQS for ozone, in                        III. What is ozone and how is it formed?                revised NAAQS, the EPA is required to
                                             accordance with the requirements of                                                                              designate all areas in the country as
                                                                                                         Ground-level ozone is a gas that is
                                             Clean Air Act (CAA) section 107(d). The                                                                          nonattainment, attainment or
                                                                                                      formed by the reaction of volatile
                                             EPA is designating Bexar County as the                                                                           unclassifiable, pursuant to section
                                                                                                      organic compounds (VOCs) and oxides
                                             San Antonio, Texas nonattainment area                                                                            107(d)(1) of the CAA. Section
                                                                                                      of nitrogen (NOX) in the atmosphere in
                                             and the remaining seven counties as                                                                              107(d)(1)(A)(i) of the CAA defines a
                                                                                                      the presence of sunlight. These
                                             attainment/unclassifiable areas. With                                                                            nonattainment area as, ‘‘any area that
                                                                                                      precursor emissions are emitted by
                                             this designation action, the EPA has                                                                             does not meet (or that contributes to
                                                                                                      many types of pollution sources,
                                             completed the initial designations for all                                                                       ambient air quality in a nearby area that
                                                                                                      including power plants and industrial
                                             areas of the country for the 2015 ozone                                                                          does not meet) the national primary or
                                                                                                      emissions sources, on-road and off-road
                                             NAAQS.                                                                                                           secondary ambient air quality standard
                                                In addition, this action announces the                motor vehicles and engines and smaller
                                                                                                      sources, collectively referred to as area               for the pollutant.’’ If an area meets
                                             classification for the San Antonio, Texas                                                                        either prong of this definition, states
                                             nonattainment area as Marginal. The                      sources. Ozone is predominately a
                                                                                                      summertime air pollutant. However,                      should recommend and the EPA is
                                             classification occurs by operation of law                                                                        obligated to designate the area as
                                             at the time of designation based on the                  high ozone concentrations have also
                                                                                                      been observed in cold months, where a                   ‘‘nonattainment.’’ CAA section
                                             severity of the area’s ozone air quality                                                                         107(d)(1)(A)(ii) defines an attainment
                                             problem. The classification categories                   few areas in the western United States
                                                                                                      (U.S.) have experienced high levels of                  area as any area that does not meet the
                                             are Marginal, Moderate, Serious, Severe                                                                          definition of nonattainment and that
                                             and Extreme. The EPA established the                     local VOC and NOX emissions that have
                                                                                                      formed ozone when snow is on the                        meets the NAAQS. CAA section
                                             air quality thresholds that define the                                                                           107(d)(1)(A)(iii) provides that any area
                                             classifications in a separate rule titled,               ground and temperatures are near or
                                                                                                      below freezing. Ozone and ozone                         that the EPA cannot designate on the
                                             ‘‘Implementation of the 2015 National                                                                            basis of available information as
                                             Ambient Air Quality Standards for                        precursors can be transported to an area
                                                                                                      from sources in nearby areas or from                    meeting or not meeting the standards
                                             Ozone: Nonattainment Area                                                                                        should be designated as
                                             Classifications Approach’’                               sources located hundreds of miles away.
                                                                                                      For purposes of determining ozone                       ‘‘unclassifiable.’’ Historically for ozone,
                                             (Classifications Rule) (83 FR 10376;                                                                             the EPA has designated most areas that
                                             March 9, 2018).                                          nonattainment area boundaries, the
                                                                                                      CAA requires the EPA to include areas                   do not meet the definition of
                                                The list of the areas being designated                                                                        nonattainment as ‘‘unclassifiable/
                                             in this action appears in the regulatory                 that contribute to nearby violations of
                                                                                                      the NAAQS.                                              attainment.’’ This category includes
                                             table for Texas included at the end of                                                                           areas that have air quality monitoring
                                             this final rule. This table, which will                  IV. What are the 2015 ozone NAAQS                       data meeting the NAAQS and areas that
                                             amend 40 CFR part 81, identifies the                     and the health and welfare concerns                     do not have monitors but for which the
                                             designation for each area and the                        they address?                                           EPA has no evidence that the areas may
                                             classification for the nonattainment                                                                             be violating the NAAQS or contributing
                                                                                                        On October 1, 2015, the EPA revised
                                             area.                                                                                                            to a nearby violation. In the
                                                                                                      both the primary and secondary NAAQS
                                                The EPA is basing the designations on                                                                         designations for the 2015 ozone
                                                                                                      for ozone to a level of 0.070 parts per
                                             the most recent 3 years of certified                                                                             NAAQS, the EPA has reversed the order
                                                                                                      million (ppm) (annual fourth-highest
                                             ozone air quality monitoring data                                                                                of the label to be attainment/
                                                                                                      daily maximum 8-hour average
                                             (2015–2017) and on an evaluation of                                                                              unclassifiable to better convey the
                                                                                                      concentration, averaged over 3 years).1
                                             factors to assess contributions to                                                                               definition of the designation category
                                                                                                      The level of both the primary and
                                             nonattainment in nearby areas. State                                                                             and so that the category is more easily
                                                                                                      secondary ozone NAAQS previously set
                                             areas designated as nonattainment are                                                                            distinguished from the separate
                                                                                                      in 2008 is 0.075 ppm. The 2015 ozone
                                             subject to planning and emission                                                                                 unclassifiable category. In a few
                                                                                                      NAAQS retain the same general form
                                             reduction requirements as specified in                                                                           instances, based on circumstances
                                                                                                      and averaging time as the 2008 ozone
                                             CAA part D. Requirements vary                                                                                    where some monitoring data are
                                                                                                      NAAQS.
                                             according to an area’s classification. On                                                                        available but are not sufficient for a
                                                                                                        The primary ozone standards provide
                                             November 17, 2016, the EPA proposed                                                                              determination that an area is or is not
                                                                                                      protection for children, older adults,
                                             an implementation rule for the 2015                                                                              attaining the NAAQS, the EPA has
                                                                                                      people with asthma or other lung
                                             ozone NAAQS (81 FR 81276). The EPA                                                                               designated an area as ‘‘unclassifiable.’’
                                                                                                      diseases and other at-risk populations
                                             anticipates issuing the final                                                                                       Section 107(d)(1)(B) of the CAA
                                                                                                      against an array of adverse health effects
                                             implementation rule in 2018. This final                                                                          requires the EPA to issue initial area
                                                                                                      that include reduced lung function,
                                             implementation rule, along with                                                                                  designations within 2 years of
                                                                                                      increased respiratory symptoms and
                                             additional forthcoming tools and                                                                                 promulgating a new or revised NAAQS.
                                                                                                      pulmonary inflammation; effects that
                                             guidance documents related to                                                                                    However, if the Administrator has
                                                                                                      contribute to emergency department
                                             provisions for regulatory relief to
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                                                                                                      visits or hospital admissions; and                      insufficient information to make these
                                             address background and international                                                                             designations within that time frame, the
                                                                                                      mortality. The secondary ozone
                                             ozone concentrations, should help                                                                                EPA has the authority to extend the
                                                                                                      standards protect against adverse effects
                                             nonattainment areas to address these                                                                             deadline for designation decisions by up
                                             emissions in state plans. In particular,                   1 See 80 FR 65296; October 26, 2015, for a            to 1 additional year.
                                             the EPA recognizes that the information                  detailed explanation of the calculation of the 3-year      By not later than 1 year after the
                                             provided by Texas regarding likely                       8-hour average and 40 CFR part 50, Appendix U.          promulgation of a new or revised


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                                             35138             Federal Register / Vol. 83, No. 143 / Wednesday, July 25, 2018 / Rules and Regulations

                                             NAAQS, each state governor is required                   generally are not subject to the same                   with the EPA’s Tribal Designation
                                             to recommend air quality designations,                   submission schedules imposed by the                     Guidance, the EPA designated two areas
                                             including the appropriate boundaries                     CAA on states. As authorized by the                     of Indian country as separate areas.
                                             for areas, to the EPA. (See CAA section                  TAR, tribes may seek eligibility to                        On December 4, 2017, a coalition of
                                             107(d)(1)(A).) The EPA reviews those                     submit designation recommendations to                   environmental and health organizations
                                             state recommendations and is                             the EPA.                                                filed suit against the EPA claiming that
                                             authorized to make any modifications                                                                             the EPA failed to meet its mandatory
                                                                                                      VI. What is the chronology for this
                                             the Administrator deems necessary. The                                                                           obligation to designate all areas of the
                                                                                                      designations rule and what guidance
                                             statute does not define the term                                                                                 U.S. for the 2015 ozone NAAQS by
                                                                                                      did the EPA provide?
                                             ‘‘necessary,’’ but the EPA interprets this                                                                       October 1, 2017. American Lung
                                             to authorize the Administrator to                           On February 25, 2016, the EPA issued                 Association, et al v. Pruitt (N.D. Cal. No.
                                             modify designation recommendations                       guidance for states and tribal agencies to              4:17–cv–06900). A coalition of 15 states
                                             that are inconsistent with the statutory                 use for purposes of making designation                  also filed a similar suit on December 5,
                                             language, including modification of                      recommendations as required by CAA                      2017. State of California v. Pruitt (N.D.
                                             recommended boundaries for                               section 107(d)(1)(A). (See February 25,                 Cal. No. 4:17–cv–06936). In a March 12,
                                             nonattainment areas that are not                         2016, memorandum from Janet G.                          2018, order, the court granted the
                                             supported by the facts or analysis. If the               McCabe, Acting Assistant                                motions in part and ordered the EPA ‘‘to
                                             EPA intends to modify a state’s                          Administrator, to Regional                              promulgate final designations for all
                                             recommendation, section 107(d)(1)(B) of                  Administrators, Regions 1–10, titled,                   areas of the country except for the eight
                                             the CAA requires the EPA to notify the                   ‘‘Area Designations for the 2015 Ozone                  undesignated counties composing the
                                             state of any such intended modifications                 National Ambient Air Quality                            San Antonio area no later than April 30,
                                             not less than 120 days prior to the EPA’s                Standards’’ (Designations Guidance)).                   2018’’ and ‘‘to promulgate final
                                             promulgation of the final designation.                   The Designations Guidance provided                      designations for the San Antonio area
                                             These notifications are commonly                         the anticipated timeline for designations               no later than 127 days from the date of
                                             known as the ‘‘120-day letters.’’ If the                 and identified important factors that the               this order.’’ Thus, the designation
                                             state does not agree with the EPA’s                      EPA recommended states and tribes                       deadline for the San Antonio area was
                                             intended modification, the 120-day                       consider in making their                                set to July 17, 2018.
                                             period provides an opportunity for the                   recommendations and that the EPA                           On March 19, 2018, the EPA sent a
                                             state to demonstrate to the EPA why it                   intended to consider in promulgating                    120-day letter to the Governor of Texas
                                             believes any modification proposed by                    designations. These factors include air                 notifying the state of the EPA’s
                                             the EPA is inappropriate. If a state fails               quality data, emissions and emissions-                  preliminary response to the state’s
                                             to provide any recommendation for an                     related data, meteorological data,                      recommendations for the eight counties
                                             area, in whole or in part, the EPA must                  geography/topography and                                in the San Antonio-New Braunfels,
                                             promulgate a designation that the                        jurisdictional boundaries. In the                       Texas CBSA. The EPA requested that
                                             Administrator deems appropriate.                         Designations Guidance, the EPA asked                    Texas submit by May 11, 2018, any
                                                The terms ‘‘contributes to’’ and                      that states and tribes submit their                     additional information the state wanted
                                             ‘‘nearby’’ in the definition of a                        designation recommendations,                            the EPA to consider in making final
                                             nonattainment area are not defined in                    including appropriate area boundaries,                  designation decisions for the area.
                                             the statute and the EPA has discretion                   to the EPA by October 1, 2016.3 In the                  Although not required by section
                                             to interpret these ambiguous terms,                      guidance, the EPA indicated the agency                  107(d)(2)(B) of the CAA, the EPA also
                                             based on considerations such as the                      expected to complete the initial                        provided a 30-day public comment
                                             nature of a specific pollutant, the types                designations for the 2015 ozone NAAQS                   period specific to this area (83 FR
                                             of sources that may contribute to                        on a 2-year schedule, by October 1,                     13719; March 30, 2018). The comment
                                             violations, the form of the relevant                     2017, consistent with CAA                               period closed on April 30, 2018.
                                             NAAQS and any other relevant                             107(d)(1)(B)(i).                                           On April 30, 2018, the EPA
                                             information. The EPA does not interpret                     On November 6, 2017, the EPA                         designated all remaining undesignated
                                             the statute to require the agency to                     designated about 85 percent of the                      areas except the eight counties in the
                                             establish bright line tests or thresholds                counties in the U.S., including tribal                  San Antonio area (83 FR 25776; June 4,
                                             for what constitutes ‘‘contribution’’ or                 lands within those counties.4 Consistent                2018).
                                             ‘‘nearby’’ for purposes of designations.2
                                                                                                                                                                 This action designating the eight
                                                Section 301(d) of the CAA authorizes                     3 The EPA previously issued two guidance

                                                                                                      memoranda related to designating areas of Indian        counties in the San Antonio area
                                             the EPA to approve eligible Indian tribes
                                                                                                      country that also apply for designations for the 2015   completes the initial designations for
                                             to implement provisions of the CAA on                    ozone NAAQS. (See December 20, 2011,                    the 2015 ozone NAAQS. The ADDRESSES
                                             Indian reservations and other areas                      memorandum from Stephen D. Page, Director,
                                             within the tribes’ jurisdiction. The                                                                             section earlier in this preamble provides
                                                                                                      Office of Air Quality Planning and Standards, to
                                             Tribal Authority Rule (TAR) (40 CFR                      Regional Air Directors, Regions I–X, titled, ‘‘Policy   detail on where to find the information
                                             part 49), which implements section                       for Establishing Separate Air Quality Designations      supporting this designation action and
                                             301(d) of the CAA, sets forth the criteria
                                                                                                      for Areas of Indian Country’’ and December 20,          the prior two actions.
                                                                                                      2011, memorandum from Stephen D. Page, Director,
                                             and process for tribes to apply to the                   Office of Air Quality Planning and Standards, to        VII. What air quality data has the EPA
                                             EPA for eligibility to administer CAA                    Regional Air Directors, Regions I–X, titled,            used to designate the counties in the
                                                                                                      ‘‘Guidance to Regions for Working with Tribes
                                             programs. The designations process                       during the National Ambient Air Quality Standards
                                                                                                                                                              San Antonio-New Braunfels, Texas
                                             contained in section 107(d) of the CAA                   (NAAQS) Designations Process.’’)                        CBSA for the 2015 ozone NAAQS?
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                                             is included among those provisions                          4 Although the EPA commonly uses the term
                                                                                                                                                                The final ozone designations for the
                                             determined to be appropriate by the                      ‘‘counties’’ when speaking of designations, we note
                                                                                                      that the reference to ‘‘counties’’ also includes non-   counties in the San Antonio-New
                                             EPA for treatment of tribes in the same
                                                                                                      county administrative or statistical areas that are
                                             manner as states. Under the TAR, tribes                  comparable to counties. For example, Louisiana          Nevada are equivalent to counties for
                                                                                                      parishes; the organized boroughs of Alaska; the         administrative purposes. In addition, Alaska’s
                                               2 This view was confirmed in Catawba County v.         District of Columbia and the independent cities of      Unorganized Borough is divided into 10 census
                                             EPA, 571 F.3d 20 (D.C. Cir. 2009).                       the states of Virginia, Maryland, Missouri and          areas that are statistically equivalent to counties.



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                                                                     Federal Register / Vol. 83, No. 143 / Wednesday, July 25, 2018 / Rules and Regulations                                                                                               35139

                                             Braunfels, Texas CBSA are based on air                                    monitors for the 2015–2017 period are                                        The five classification categories are
                                             quality monitoring data from the 3 most                                   the same monitors that showed                                                Marginal, Moderate, Serious, Severe and
                                             recent years of certified data, which are                                 violations for the 2014–2016 period.                                         Extreme. Nonattainment areas with a
                                             2015–2017. Under 40 CFR 58.16, states                                                                                                                  ‘‘lower’’ classification have ozone levels
                                                                                                                       VIII. What are the ozone air quality
                                             are required to report all monitored                                                                                                                   that are closer to the standard than areas
                                                                                                                       classifications?
                                             ozone air quality data and associated                                                                                                                  with a ‘‘higher’’ classification. Areas in
                                             quality assurance data within 90 days                                       In accordance with CAA section                                             the lower classification levels have
                                             after the end of each quarterly reporting                                 181(a)(1), each area designated as
                                                                                                                                                                                                    fewer and/or less stringent mandatory
                                             period, and under 40 CFR part                                             nonattainment for the ozone NAAQS is
                                                                                                                                                                                                    air quality planning and control
                                             58.15(a)(2) states are required to submit                                 classified by operation of law at the
                                                                                                                       same time as the area is designated by                                       requirements than those in higher
                                             annual summary reports and a data
                                                                                                                       the EPA. Under subpart D of title I of the                                   classifications. On March 9, 2018 (83 FR
                                             certification letter to the EPA by May 1
                                             for ozone air quality data collected in                                   CAA, state planning and emissions                                            10376), the EPA published the
                                             the previous calendar year. On March                                      control requirements for ozone are                                           Classifications Rule that establishes the
                                             19, 2018, when the EPA notified Texas                                     determined, in part, by a nonattainment                                      ozone level threshold for each
                                             of the EPA’s intended designations for                                    area’s classification. The ozone                                             classification for the 2015 ozone
                                             the San Antonio area, the most recent                                     nonattainment areas are classified based                                     NAAQS. Each nonattainment area’s
                                             certification obligation was for air                                      on the severity of their ozone levels (as                                    design value, based on the most recent
                                             quality data from 2016. On May 1, 2018,                                   determined based on the area’s ‘‘design                                      3 years of certified air quality
                                             Texas submitted certified air quality                                     value,’’ which represents air quality in                                     monitoring data, is used to establish the
                                             monitoring data for 2017. The violating                                   the area for the most recent 3 years).5                                      classification for the area. See Table 1.

                                                                             TABLE 1—CLASSIFICATION THRESHOLDS FOR THE 2015 OZONE NAAQS (0.070 ppm)
                                                                                                                                                                                                                                                     8-Hour ozone
                                                                   Nonattainment area classification                                                                                                                                                 design value
                                                                                                                                                                                                                                                        (ppm) a

                                             Marginal ......................................................................................     from ............................................................................................          0.071
                                                                                                                                                 up to b .........................................................................................          0.081
                                             Moderate .....................................................................................      from ............................................................................................          0.081
                                                                                                                                                 up to b .........................................................................................          0.093
                                             Serious ........................................................................................    from ............................................................................................          0.093
                                                                                                                                                 up to b .........................................................................................          0.105
                                             Severe-15 ....................................................................................      from ............................................................................................          0.105
                                                                                                                                                 up to b .........................................................................................          0.111
                                             Severe-17 ....................................................................................      from ............................................................................................          0.111
                                                                                                                                                 up to b .........................................................................................          0.163
                                             Extreme .......................................................................................     equal to or above .......................................................................                  0.163
                                                a   parts per million.
                                                b   but not including.


                                               The most recent 3 years of certified air                                the EPA Docket Center listed above in                                        justice concerns by ensuring that the
                                             quality monitoring data for Bexar                                         the addresses section of this document,                                      public is properly informed about the
                                             County, Texas are from the period                                         and on the EPA’s ozone designation                                           air quality in an area. In locations where
                                             2015–2017. The ozone design value is                                      website at https://www.epa.gov/ozone-                                        air quality does not meet the NAAQS,
                                             0.074 ppm. Therefore, in accordance                                       designations. State-specific information                                     the CAA requires relevant state
                                             with Table 1 above, the San Antonio,                                      is also available from the EPA Region 6                                      authorities to initiate appropriate air
                                             Texas nonattainment area is classified                                    office at the address at the beginning of                                    quality management actions to ensure
                                             by operation of law as a Marginal area                                    this Preamble.                                                               that all those residing, working,
                                             for the 2015 ozone NAAQS. The                                                                                                                          attending school or otherwise present in
                                                                                                                       X. Environmental Justice Concerns
                                             regulatory table for Texas included at                                                                                                                 those areas are protected, regardless of
                                             the end of this action provides the                                          When the EPA establishes a new or                                         minority and economic status.
                                             classification for the nonattainment                                      revised NAAQS, the CAA requires the
                                             area.                                                                     EPA to designate all areas of the U.S. as                                    XI. Statutory and Executive Order
                                                                                                                       either nonattainment, attainment or                                          Reviews
                                             IX. Where can I find information                                          unclassifiable. This final action
                                             forming the basis for this rule and                                                                                                                    A. Executive Order 12866: Regulatory
                                                                                                                       addresses designation determinations                                         Planning and Review and Executive
                                             exchanges between the EPA and the                                         for eight counties in Texas for the 2015
                                             state?                                                                                                                                                 Order 13563: Improving Regulation and
                                                                                                                       ozone NAAQS. Seven counties are being                                        Regulatory Review
                                               Information providing the basis for                                     designated as attainment/unclassifiable
                                             this action is provided in the docket for                                 and one county is being designated as                                          This action is exempt from review by
                                             this rulemaking. The applicable EPA                                       nonattainment. In addition, the                                              the Office of Management and Budget
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                                             guidance memoranda and copies of                                          nonattainment area is being classified as                                    because it responds to the CAA
                                             correspondence regarding this process                                     Marginal according to the severity of its                                    requirement to promulgate air quality
                                             between the EPA and the state and other                                   ozone air quality problem. Area                                              designations after promulgation of a
                                             parties are also available for review at                                  designations address environmental                                           new or revised NAAQS.
                                               5 The air quality design value for the 8-hour                           4th highest daily maximum 8-hour average ozone
                                             ozone NAAQS is the 3-year average of the annual                           concentration. See 40 CFR part 50, Appendix U.



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                                             35140             Federal Register / Vol. 83, No. 143 / Wednesday, July 25, 2018 / Rules and Regulations

                                             B. Executive Order 13771: Reducing                       G. Executive Order 13175: Consultation                M. Judicial Review
                                             Regulations and Controlling Regulatory                   and Coordination With Indian Tribal
                                                                                                      Governments                                              Under section 307(b)(1) of the Act,
                                             Costs
                                                                                                                                                            petitions for judicial review of this
                                                                                                         This action does not have tribal                   action must be filed in the U.S. Court of
                                               This action is not an Executive Order
                                                                                                      implications. It will neither impose                  Appeals for the appropriate circuit by
                                             13771 regulatory action because actions
                                                                                                      substantial direct compliance costs on                September 24, 2018. Under section
                                             such as air quality designations after
                                                                                                      federally recognized tribal governments,              307(b)(2) of the Act, the requirements of
                                             promulgating a new revised NAAQS are
                                                                                                      nor preempt tribal law. There are no                  this final action may not be challenged
                                             exempt from review under Executive
                                                                                                      tribes affected by this action.                       later in civil or criminal proceedings for
                                             Order 12866.
                                                                                                      H. Executive Order 13045: Protection of               enforcement.
                                             C. Paperwork Reduction Act (PRA)                         Children From Environmental Health                    List of Subjects in 40 CFR Part 81
                                               This action does not impose an                         and Safety Risks
                                                                                                                                                              Environmental protection, Air
                                             information collection burden under the                    The EPA interprets Executive Order
                                                                                                      13045 as applying to those regulatory                 pollution control, National parks,
                                             PRA. This action fulfills the non-
                                                                                                      actions that concern environmental                    Wilderness areas.
                                             discretionary duty for the EPA to
                                             promulgate air quality designations after                health or safety risks that the EPA has                Dated: July 17, 2018.
                                             promulgation of a new or revised                         reason to believe may                                 Andrew R. Wheeler,
                                             NAAQS and does not contain any                           disproportionately affect children, per               Acting Administrator.
                                             information collection activities.                       the definition of ‘‘covered regulatory
                                                                                                      action’’ in section 2–202 of the                        For the reasons set forth in the
                                             D. Regulatory Flexibility Act (RFA)                      Executive Order. This action is not                   preamble, 40 CFR part 81 is amended as
                                                                                                      subject to Executive Order 13045                      follows:
                                                This designation action under CAA                     because it does not establish an
                                             section 107(d) is not subject to the RFA.                                                                      PART 81—DESIGNATIONS OF AREAS
                                                                                                      environmental standard intended to
                                             The RFA applies only to rules subject to                                                                       FOR AIR QUALITY PLANNING
                                                                                                      mitigate health or safety risks.
                                             notice-and-comment rulemaking                                                                                  PURPOSES
                                             requirements under the Administrative                    I. Executive Order 13211: Actions That
                                             Procedure Act (APA), 5 U.S.C. 553, or                    Significantly Affect Energy Supply,                   ■ 1. The authority citation for part 81
                                             any other statute. Section 107(d)(2)(B) of               Distribution or Use                                   continues to read as follows:
                                             the CAA explicitly provides that                           This action is not subject to Executive                 Authority: 42 U.S.C. 7401, et seq.
                                             designations are exempt from the                         Order 13211 because it is not a
                                             notice-and-comment provisions of the                     significant regulatory action under                   Subpart C—Section 107 Attainment
                                             APA. In addition, designations under                     Executive Order 12866.                                Status Designations
                                             CAA section 107(d) are not among the
                                             list of actions that are subject to the                  J. National Technology Transfer and                   ■  2. In § 81.344, the table titled
                                             notice-and-comment rulemaking                            Advancement Act (NTTAA)                               ‘‘Texas—2015 8-Hour Ozone NAAQS
                                             requirements of CAA section 307(d).                        This rulemaking does not involve                    (Primary and Secondary)’’ is amended
                                                                                                      technical standards.                                  by:
                                             E. Unfunded Mandates Reform Act
                                             (UMRA)                                                   K. Executive Order 12898: Federal                     ■ a. Adding an entry for San Antonio,
                                                                                                      Actions To Address Environmental                      TX before the entry for Rest of State;
                                                This action does not contain any                      Justice in Minority Populations and                   ■ b. Adding an entry for Atascosa
                                             unfunded mandate as described in                         Low-Income Populations                                County before the entry for Austin
                                             UMRA, 2 U.S.C. 1531–1538 and does                                                                              County;
                                                                                                         The EPA believes that this action does
                                             not significantly or uniquely affect small                                                                     ■ c. Adding an entry for Bandera
                                                                                                      not have disproportionately high and
                                             governments. The action imposes no                                                                             County before the entry for Bastrop
                                                                                                      adverse human health or environmental
                                             enforceable duty on any state, local or                                                                        County;
                                                                                                      effects on minority populations, low-
                                             tribal governments or the private sector.
                                                                                                      income populations and/or indigenous                  ■ d. Adding an entry for Comal County
                                             F. Executive Order 13132: Federalism                     peoples, as specified in Executive Order              before the entry for Comanche County;
                                                                                                      12898 (59 FR 7629, February 16, 1994).                ■ e. Adding an entry for Guadalupe
                                               This action does not have federalism                   The documentation for this                            County before the entry for Hale County;
                                             implications. It will not have substantial               determination is contained in Section X
                                                                                                                                                            ■ f. Adding an entry for Kendall County
                                             direct effects on the states, on the                     of this preamble, ‘‘Environmental
                                             relationship between the national                                                                              before the entry for Kenedy County;
                                                                                                      Justice Concerns.’’
                                             government and the states or on the                                                                            ■ g. Adding an entry for Medina County
                                             distribution of power and                                L. Congressional Review Act (CRA)                     before the entry for Menard County; and
                                             responsibilities among the various                         This action is subject to the CRA, and              ■ h. Adding an entry for Wilson County
                                             levels of government. The division of                    the EPA will submit a rule report to                  before the entry for Winkler County.
                                             responsibility between the federal                       each House of the Congress and to the                    The additions read as follows:
                                             government and the states for purposes                   Comptroller General of the U.S. This
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                                             of implementing the NAAQS is                             action is not a ‘‘major rule’’ as defined             § 81.344    Texas.
                                             established under the CAA.                               by 5 U.S.C. 804(2).                                   *       *     *      *     *




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                                                                    Federal Register / Vol. 83, No. 143 / Wednesday, July 25, 2018 / Rules and Regulations                                                                          35141

                                                                                                                    TEXAS—2015 8-HOUR OZONE NAAQS
                                                                                                                                    [Primary and Secondary]

                                                                                                                                                                               Designation                         Classification
                                                                                        Designated area 1
                                                                                                                                                                      Date 2                Type              Date 2           Type


                                                     *                            *                                *                                 *                            *                       *                     *
                                             San Antonio, TX .................................................................................................        9/24/2018       Nonattainment ..        9/24/2018   Marginal.
                                                 Bexar County.

                                                      *                                  *                             *                              *                           *                       *                     *
                                             Rest of State:

                                                       *                        *                                *                                 *                              *                       *                     *
                                                   Atascosa County .........................................................................................          9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                       *                        *                                *                                 *                              *                       *                     *
                                                   Bandera County ..........................................................................................          9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                      *                          *                                *                                 *                             *                       *                     *
                                                   Comal County .............................................................................................         9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                       *                      *                                *                                 *                                *                       *                     *
                                                   Guadalupe County ......................................................................................            9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                       *                          *                                *                                 *                            *                       *                     *
                                                   Kendall County ............................................................................................        9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                       *                         *                                *                                 *                             *                       *                     *
                                                   Medina County ............................................................................................         9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                        *                         *                                *                                 *                            *                       *                     *
                                                   Wilson County .............................................................................................        9/24/2018       Attainment/
                                                                                                                                                                                        Unclassifiable.

                                                          *                              *                             *                              *                           *                       *                     *
                                                1 Includesany Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian
                                             country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the des-
                                             ignation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
                                               2 This date is August 3, 2018, unless otherwise noted.




                                             [FR Doc. 2018–15919 Filed 7–24–18; 8:45 am]                            DATES:  This regulation is effective July                            Public Reading Room is (202) 566–1744,
                                             BILLING CODE 6560–50–P                                                 25, 2018. Objections and requests for                                and the telephone number for the OPP
                                                                                                                    hearings must be received on or before                               Docket is (703) 305–5805. Please review
                                                                                                                    September 24, 2018, and must be filed                                the visitor instructions and additional
                                             ENVIRONMENTAL PROTECTION                                               in accordance with the instructions                                  information about the docket available
                                             AGENCY                                                                 provided in 40 CFR part 178 (see also                                at http://www.epa.gov/dockets.
                                                                                                                    Unit I.C. of the SUPPLEMENTARY                                       FOR FURTHER INFORMATION CONTACT:
                                             40 CFR Part 180                                                        INFORMATION).                                                        Michael Goodis, Registration Division
                                             [EPA–HQ–OPP–2017–0226; FRL–9979–81]                                                                                                         (7505P), Office of Pesticide Programs,
                                                                                                                    ADDRESSES:   The docket for this action,
                                                                                                                                                                                         Environmental Protection Agency, 1200
                                                                                                                    identified by docket identification (ID)
                                             Florasulam; Pesticide Tolerances                                                                                                            Pennsylvania Ave. NW, Washington, DC
                                                                                                                    number EPA–HQ–OPP–2017–0226, is
                                                                                                                                                                                         20460–0001; main telephone number:
                                             AGENCY:  Environmental Protection                                      available at http://www.regulations.gov
                                                                                                                                                                                         (703) 305–7090; email address:
                                             Agency (EPA).                                                          or at the Office of Pesticide Programs
                                                                                                                                                                                         RDFRNotices@epa.gov.
                                             ACTION: Final rule.                                                    Regulatory Public Docket (OPP Docket)
                                                                                                                    in the Environmental Protection Agency                               SUPPLEMENTARY INFORMATION:
                                             SUMMARY:    This regulation establishes                                Docket Center (EPA/DC), West William
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                                                                                                                                                                                         I. General Information
                                             tolerances for residues of florasulam in                               Jefferson Clinton Bldg., Rm. 3334, 1301
                                             or on teff forage, teff grain, teff hay, and                           Constitution Ave. NW, Washington, DC                                 A. Does this action apply to me?
                                             teff straw. Interregional Research Project                             20460–0001. The Public Reading Room                                    You may be potentially affected by
                                             Number 4 (IR–4) requested these                                        is open from 8:30 a.m. to 4:30 p.m.,                                 this action if you are an agricultural
                                             tolerances under the Federal Food,                                     Monday through Friday, excluding legal                               producer, food manufacturer, or
                                             Drug, and Cosmetic Act (FFDCA).                                        holidays. The telephone number for the                               pesticide manufacturer. The following


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Document Created: 2018-07-25 00:44:31
Document Modified: 2018-07-25 00:44:31
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesThe effective date of this rule is September 24, 2018.
ContactDenise Scott, Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, Mail Code C539-01, Research Triangle Park, NC 27711, phone number (919) 541-4280, email: [email protected] or Carrie Paige, U.S. Environmental Protection Agency, Region 6, Mail Code: 6MM-AB, 445 Ross Avenue, Dallas, TX 75202, telephone (214) 665-6521, email: [email protected]
FR Citation83 FR 35136 
RIN Number2060-AU13
CFR AssociatedEnvironmental Protection; Air Pollution Control; National Parks and Wilderness Areas

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