83_FR_28909 83 FR 28789 - Air Plan Approval; North Carolina: New Source Review for Fine Particulate Matter (PM2.5

83 FR 28789 - Air Plan Approval; North Carolina: New Source Review for Fine Particulate Matter (PM2.5

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 83, Issue 120 (June 21, 2018)

Page Range28789-28795
FR Document2018-13356

The Environmental Protection Agency (EPA) is proposing to approve changes to the North Carolina State Implementation Plan (SIP), submitted by the North Carolina Department of Environmental Quality (NC DEQ) through the Division of Air Quality (DAQ), to EPA on October 17, 2017. This SIP submittal modifies North Carolina's Prevention of Significant Deterioration (PSD) regulations and includes the adoption of specific federal provisions needed to meet the New Source Review (NSR) permitting program requirements for the fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS). In addition, North Carolina's October 17, 2017, SIP submittal addresses portions of the PSD requirements for the infrastructure SIPs for the following NAAQS: 1997 Annual and 24-hour PM<INF>2.5</INF>, 2006 24-hour PM<INF>2.5,</INF> 2008 lead, 2008 8-hour ozone, 2010 sulfur dioxide (SO<INF>2</INF>), 2010 nitrogen dioxide (NO<INF>2</INF>) and 2012 Annual PM<INF>2.5</INF>. As a result of this proposed approval of North Carolina's modified PSD regulations, EPA is also proposing to approve North Carolina's submittal with respect to the related PSD infrastructure SIP requirements for these NAAQS. As discussed in this notice, EPA previously disapproved portions of earlier submittals from North Carolina that were intended to meet these requirements. These proposed approvals, if finalized, will remove EPA's obligation to promulgate a Federal Implementation Plans (FIP) to meet the relevant Clean Air Act (CAA or Act) requirements.

Federal Register, Volume 83 Issue 120 (Thursday, June 21, 2018)
[Federal Register Volume 83, Number 120 (Thursday, June 21, 2018)]
[Proposed Rules]
[Pages 28789-28795]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-13356]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R04-OAR-2015-0501; FRL-9979-79--Region 4]


Air Plan Approval; North Carolina: New Source Review for Fine 
Particulate Matter (PM2.5)

AGENCY: Environmental Protection Agency.

ACTION: Proposed rule.

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SUMMARY: The Environmental Protection Agency (EPA) is proposing to 
approve changes to the North Carolina State Implementation Plan (SIP), 
submitted by the North Carolina Department of Environmental Quality (NC 
DEQ) through the Division of Air Quality (DAQ), to EPA on October 17, 
2017. This SIP submittal modifies North Carolina's Prevention of 
Significant Deterioration (PSD) regulations and includes the adoption 
of specific federal provisions needed to meet the New Source Review 
(NSR) permitting program requirements for the fine particulate matter 
(PM2.5) national ambient air quality standards (NAAQS). In 
addition, North Carolina's October 17, 2017, SIP submittal addresses 
portions of the PSD requirements for the infrastructure SIPs for the 
following NAAQS: 1997 Annual and 24-hour PM2.5, 2006 24-hour 
PM2.5, 2008 lead, 2008 8-hour ozone, 2010 sulfur dioxide 
(SO2), 2010 nitrogen dioxide (NO2) and 2012 
Annual PM2.5. As a result of this proposed approval of North 
Carolina's modified PSD regulations, EPA is also proposing to approve 
North Carolina's submittal with respect to the related PSD 
infrastructure SIP requirements for these NAAQS. As discussed in this 
notice, EPA previously disapproved portions of earlier submittals from 
North Carolina that were intended to meet

[[Page 28790]]

these requirements. These proposed approvals, if finalized, will remove 
EPA's obligation to promulgate a Federal Implementation Plans (FIP) to 
meet the relevant Clean Air Act (CAA or Act) requirements.

DATES: Comments must be received on or before July 23, 2018.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R04-
OAR-2015-0501 at http://www.regulations.gov. Follow the online 
instructions for submitting comments. Once submitted, comments cannot 
be edited or removed from Regulations.gov. EPA may publish any comment 
received to its public docket. Do not submit electronically any 
information you consider to be Confidential Business Information (CBI) 
or other information whose disclosure is restricted by statute. 
Multimedia submissions (audio, video, etc.) must be accompanied by a 
written comment. The written comment is considered the official comment 
and should include discussion of all points you wish to make. EPA will 
generally not consider comments or comment contents located outside of 
the primary submission (i.e., on the web, cloud, or other file sharing 
system). For additional submission methods, the full EPA public comment 
policy, information about CBI or multimedia submissions, and general 
guidance on making effective comments, please visit http://www2.epa.gov/dockets/commenting-epa-dockets.

FOR FURTHER INFORMATION CONTACT: Joel Huey of the Air Planning and 
Implementation Branch, Air, Pesticides and Toxics Management Division, 
U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW, 
Atlanta, Georgia 30303-8960. Mr. Huey can be reached by telephone at 
(404) 562-9104 or via electronic mail at [email protected].

SUPPLEMENTARY INFORMATION:

I. What are the actions EPA is proposing?
II. Fine Particulate Matter and the NAAQS
III. What is the background for these proposed actions?
    A. Requirements of the 2010 PSD PM2.5 Rule for PSD 
SIP Programs
    B. Requirements for Infrastructure SIPs
    C. EPA's Previous Action on North Carolina's SIP Submittal 
Related to the 2010 PSD PM2.5 Rule
    D. EPA's Previous Action on North Carolina's SIP Submittals 
Related to Infrastructure SIP PSD Elements
IV. What is EPA's analysis of North Carolina's October 17, 2017, SIP 
submittal for PSD?
V. What is EPA's analysis of North Carolina's October 17, 2017, SIP 
submittal for the infrastructure SIP PSD elements?
VI. Incorporation by Reference
VII. Proposed Actions
VIII. Statutory and Executive Order Reviews

I. What are the actions EPA is proposing?

    EPA is proposing two actions with regard to North Carolina's SIP 
submittal updating the State's PSD regulations found at 15A North 
Carolina Administrative Code (NCAC) 02D .0530.\1\ First, EPA is 
proposing to approve North Carolina's October 17, 2017, SIP submittal 
with regard to changes to the State's regulation at 15A NCAC 02D .0530 
because EPA has preliminarily determined that the State's changes fully 
meet the requirements of EPA's rulemaking, ``Prevention of Significant 
Deterioration (PSD) for Particulate Matter Less Than 2.5 Micrometers 
(PM2.5)--Increments, Significant Impact Levels (SILs) and 
Significant Monitoring Concentration (SMC),'' Final Rule, 75 FR 64864 
(October 20, 2010) (hereafter referred to as the ``2010 PSD 
PM2.5 Rule'').
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    \1\ North Carolina's preconstruction permitting program for new 
and modified stationary sources is codified at 15A NCAC Subchapter 
02D. Specifically, North Carolina's PSD preconstruction regulations 
are found at 15A NCAC 02D .0530 and apply to major stationary 
sources or modifications constructed in areas designated attainment 
or unclassifiable for the NAAQS, as required under part C of title I 
of the CAA. North Carolina's nonattainment new source review (NNSR) 
regulations are found at 15A NCAC 02D .0531 and apply to the 
construction and modification of any major stationary source of air 
pollution located in or impacting a NAAQS nonattainment area, as 
required by part D of title I of the CAA. This proposed action does 
not relate to North Carolina's NNSR regulations, which are already 
fully approved into North Carolina's SIP.
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    Second, as a result of the proposed approval of North Carolina's 
October 17, 2017, SIP submittal for these PSD requirements, EPA is 
proposing to approve this submittal for portions of the infrastructure 
SIP PSD elements for the following NAAQS: 1997 Annual and 24-hour 
PM2.5, 2006 24-hour PM2.5, 2008 lead, 2008 8-hour 
ozone, 2010 SO2, 2010 NO2 and 2012 Annual 
PM2.5.2 3
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    \2\ North Carolina's October 17, 2017, SIP submittal requested 
approval of the PSD infrastructure SIPs for the 2008 lead, 2008 8-
hour ozone, 2010 SO2, 2010 NO2 and the 2012 
PM2.5 NAAQS. On April 16, 2018, the State submitted a 
letter to EPA clarifying that the same submittal is intended to 
satisfy the PSD elements of the State's infrastructure SIP 
submittals for the 1997 and 2006 PM2.5 NAAQS as well.
    \3\ The background for various NAAQS is provided in EPA's 
proposed and final rulemaking entitled ``Air Plan Approval and 
Disapproval; North Carolina: New Source Review for Fine Particulate 
Matter (PM2.5).'' See 81 FR 28797 (May 10, 2016) and 81 
FR 63107 (September 14, 2016).
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II. Fine Particulate Matter and the NAAQS

    As described in EPA's May 10, 2016 (81 FR 28801), proposal action 
to partially approve and partially disapprove revisions to North 
Carolina's SIP with regard to the State's NSR permitting regulations 
for PM2.5, ``particulate matter,'' also known as particle 
pollution or PM, is a complex mixture of extremely small particles and 
liquid droplets that can affect the heart and lungs and cause serious 
health effects. EPA currently regulates PM according to two size 
categories: PM10, which comprises all particles smaller than 
or equal to 10 micrometers in diameter and includes ``inhalable coarse 
particles,'' and PM2.5, also known as ``fine particles,'' 
which comprises all particles smaller than or equal to 2.5 micrometers 
in diameter.
    The CAA requires EPA to set air quality standards to protect both 
public health and the public welfare (e.g., visibility, crops and 
vegetation). Particle pollution, especially fine particles, affects 
both. The human health effects associated with long- or short-term 
exposure to PM2.5 are significant and include premature 
mortality, aggravation of respiratory and cardiovascular disease (as 
indicated by increased hospital admissions and emergency room visits) 
and development of chronic respiratory disease. In addition, welfare 
effects associated with elevated PM2.5 levels include 
visibility impairment as well as effects on sensitive ecosystems, 
materials damage and soiling and climatic and radiative processes.
    Since July 1, 1987, EPA had used PM10 as an indicator 
for the PM NAAQS. See 52 FR 24634. On July 18, 1997, EPA amended the PM 
NAAQS by adding new standards that focus on fine particles, using 
PM2.5 as the indicator. See 62 FR 38652. EPA established 
health-based (primary) annual and 24-hour standards for 
PM2.5, setting the annual standard at a level of 15 
micrograms per cubic meter ([mu]g/m\3\) and the 24-hour standard at a 
level of 65 [mu]g/m\3\ (the ``1997 Annual and 24-hour PM2.5 
NAAQS''). EPA established welfare-based (secondary) standards identical 
to the primary standards. Id. On October 17, 2006, EPA revised the 
primary and secondary NAAQS for PM2.5. See 71 FR 61236. In 
that rulemaking, EPA reduced the 24-hour NAAQS for PM2.5 to 
35 [mu]g/m\3\ (the ``2006 24-hour PM2.5 NAAQS'') and 
retained the existing annual PM2.5 NAAQS of 15 [mu]g/m\3\. 
Id. On January 15, 2013, EPA revised the primary NAAQS but not the 
secondary NAAQS for PM2.5. See 78 FR 3086. In that 
rulemaking, EPA reduced the annual NAAQS for PM2.5 to 12 
[mu]g/m\3\ (the ``2012 Annual PM2.5

[[Page 28791]]

NAAQS'' \4\) and retained the existing 24-hour PM2.5 NAAQS 
of 35 [mu]g/m\3\.
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    \4\ Signed by the EPA Administrator on December 14, 2012.
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III. What is the background for these proposed actions?

A. Requirements of the 2010 PSD PM2.5 Rule for PSD SIP Programs

    As established in part C of title I of the CAA, EPA's PSD program 
protects public health and welfare from adverse effects of air 
pollution by ensuring that construction of new major sources or 
modifications in attainment or unclassifiable areas does not lead to 
significant deterioration of air quality while simultaneously ensuring 
that economic growth will occur in a manner consistent with 
preservation of clean air resources. Under section 165(a)(3) of the 
CAA, a PSD permit applicant must demonstrate that emissions from the 
proposed construction and operation of a facility ``will not cause, or 
contribute to, air pollution in excess of any maximum allowable 
increase or allowable concentration for any pollutant.'' In other 
words, when a source applies for a permit to emit a regulated air 
pollutant in an area that is designated as attainment or unclassifiable 
for a NAAQS, the state and EPA must determine if the source's emissions 
of that pollutant will cause significant deterioration in air quality. 
Significant deterioration occurs when the amount of the new pollution 
exceeds the applicable PSD increment, which is the ``maximum allowable 
increase'' of an air pollutant allowed to occur above the applicable 
baseline concentration \5\ for that pollutant. Therefore, an increment 
is the mechanism used to estimate ``significant deterioration'' of air 
quality for a pollutant in an area.
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    \5\ Section 169(4) of the CAA provides that the baseline 
concentration of a pollutant for a particular baseline area is 
generally the ambient concentration levels which exist at the time 
of the first application for a PSD permit in the area after the 
applicable baseline date.
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    EPA finalized the 2010 PSD PM2.5 Rule to provide 
additional regulatory requirements under the PSD SIP program regarding 
the implementation of the PM2.5 NAAQS. See 75 FR 64864. The 
2010 PSD PM2.5 Rule required states to submit SIP revisions 
to EPA by July 20, 2012, adopting provisions equivalent to or at least 
as stringent as the PSD increments and associated implementing 
regulations. Specifically, the 2010 PSD PM2.5 Rule requires 
states to adopt and submit for EPA approval into their SIP the 
numerical PM2.5 increments promulgated pursuant to section 
166(a) of the CAA to prevent significant deterioration of air quality 
in areas meeting the NAAQS. States are also required to adopt and 
submit for EPA approval revisions to the definitions for ``major source 
baseline date,'' ``minor source baseline date,'' and ``baseline area'' 
as part of the implementing regulations for the PM2.5 
increment.
    For purposes of calculating increment consumption, a baseline area 
for a particular pollutant includes the attainment or unclassifiable 
area in which the source is located and any other attainment or 
unclassifiable area in which the source's emissions of that pollutant 
are projected (by air quality modeling) to result in a significant 
ambient pollutant increase. See 40 CFR 51.166(b)(15)(i). Once the 
baseline area is established, subsequent PSD sources locating in that 
area need to consider that a portion of the available increment may 
have already been consumed by previous emission increases.
    In general, the submittal date of the first complete PSD permit 
application in a particular area is the operative ``baseline date,'' 
after which new sources must evaluate increment consumption.\6\ On or 
before the date of the first complete PSD application, existing ambient 
concentration levels of a pollutant generally are considered to 
represent the baseline concentration from which increment consumption 
is calculated, except for certain changes in ambient concentration 
levels caused by emission changes from construction at major stationary 
sources. Increases in ambient concentration levels caused by emission 
increases that occur after the baseline date will be counted toward the 
amount of increment consumed. Similarly, decreases in ambient 
concentration levels caused by emission decreases that occur after the 
applicable baseline date either restore or expand the amount of 
increment available.
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    \6\ Baseline dates are pollutant-specific. That is, a complete 
PSD application establishes the baseline dates only for those 
regulated NSR pollutants that are projected to be emitted in 
significant amounts (as defined in the regulations) by the 
applicant's new source or modification. Thus, an area may have 
different baseline dates for different pollutants.
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    In practice, three dates related to the PSD baseline concept are 
important in understanding how to calculate the amount of increment 
consumed--(1) trigger date; (2) major source baseline date; and (3) 
minor source baseline date. The trigger date, as the name implies, is a 
fixed date that initiates the overall increment consumption process 
nationwide. See 40 CFR 51.166(b)(14)(ii). The ``major source baseline 
date'' and the ``minor source baseline date'' are necessary to properly 
account for the increment-affecting emissions occurring after the 
trigger date, in accordance with the statutory definition of ``baseline 
concentration'' in section 169(4) of the Act. The ``major source 
baseline date,'' which precedes the trigger date, is the date after 
which actual changes in emissions associated with construction at any 
major stationary source affect the PSD increment. Ambient concentration 
levels associated with such changes in emissions are not included in 
the baseline concentration, even if the changes in emissions occur 
before the minor source baseline date. In accordance with the statutory 
definition of ``baseline concentration'' at section 169(4), the PSD 
regulations define a fixed date, related to the increments that EPA 
established for a particular pollutant, to represent the major source 
baseline date for that pollutant. The ``minor source baseline date,'' 
which is also pollutant-specific, is the earliest date after the 
trigger date on which a source or modification submits the first 
complete application for a PSD permit in a particular area. This is the 
date on which the baseline concentration associated with a particular 
increment generally is established. After the minor source baseline 
date, any ambient concentration level changes caused by a change in 
actual emissions (from both major and minor sources) affects the PSD 
increment for that area.
    Once the minor source baseline date is established, the ambient 
pollutant concentration level increase caused by a proposed emission 
increase from the major source submitting the first PSD application 
consumes a portion of the increment in that area, as do any subsequent 
ambient concentration level increases caused by actual emission 
increases that occur from any new or existing source in the area. When 
the maximum pollutant concentration increase defined by the increment 
has been reached, additional PSD permits cannot be issued until 
sufficient amounts of the affected increment are ``freed up'' via 
emission reductions of the pollutant that may occur voluntarily (e.g., 
via source shutdowns) or by mandatory control requirements imposed by 
the reviewing authority. Moreover, the overall air quality for a 
pollutant in a region cannot be allowed to deteriorate to a level in 
excess of the applicable NAAQS, even if all the increment in the area 
has not been consumed. Therefore, new or modified sources located in 
areas where the ambient pollutant concentration levels are near the 
level allowed by the NAAQS may not have full use of the

[[Page 28792]]

amount of ambient concentration increase allowed by the increment.
    In the 2010 PSD PM2.5 Rule, pursuant to the authority 
under section 166(a) of the CAA, EPA promulgated numerical increments 
for PM2.5 as a new pollutant \7\ for which NAAQS were 
established after August 7, 1977,\8\ and derived 24-hour and annual 
PM2.5 increments for the three area classifications (Class 
I, II and III). See 75 FR 64869 and the ambient air increment table at 
40 CFR 51.166(c)(1). EPA also established the PM2.5 
``trigger date'' as October 20, 2011 (40 CFR 51.166(b)(14)(ii)(c)), and 
the PM2.5 ``major source baseline date'' as October 20, 2010 
(40 CFR 51.166(b)(14)(i)). See 75 FR 64903. Finally, EPA amended the 
term ``baseline area'' at 40 CFR 51.166(b)(15)(i) to include a level of 
significance of 0.3 [mu]g/m\3\, annual average, for establishing a new 
baseline area for purposes of PM2.5 increments. Id.
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    \7\ EPA generally characterized the PM2.5 NAAQS as a 
NAAQS for a new indicator of PM. EPA did not replace the 
PM10 NAAQS with the NAAQS for PM2.5 when the 
PM2.5 NAAQS were promulgated in 1997. EPA rather retained 
the Annual and 24-hour NAAQS for PM10 (retaining 
PM10 as an indicator of coarse particulate matter) and 
treated PM2.5 as a new pollutant for purposes of 
developing increments. See 75 FR at 64864.
    \8\ EPA interprets section 166(a) to authorize EPA to promulgate 
pollutant-specific PSD regulations meeting the requirements of 
section 166(c) and 166(d) for any pollutant for which EPA 
promulgates a NAAQS after 1977.
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    On May 16, 2008 (73 FR 28321), EPA finalized the ``Implementation 
of the New Source Review (NSR) Program for Particulate Matter Less Than 
2.5 Micrometers (PM2.5)'' (hereafter referred to as the 
``2008 NSR PM2.5 Rule'') to implement the 1997 
PM2.5 NAAQS for the NSR permitting program. The 2008 NSR 
PM2.5 Implementation Rule revised the federal NSR program 
requirements to establish the framework for implementing 
preconstruction permit review for the PM2.5 NAAQS in both 
attainment and nonattainment areas. Among other things, the 2008 NSR 
PM2.5 Rule directed states to incorporate into their SIPs 
the requirement for applicability determinations and emission limits in 
PSD and NNSR permits to account for gases that condense to form 
particles (condensable PM).

B. Requirements for Infrastructure SIPs

    By statute, states are required to have SIPs that provide for the 
implementation, maintenance, and enforcement of the NAAQS. States are 
further required to provide a SIP submittal meeting the applicable 
requirements of sections 110(a)(1) and (2) within three years after EPA 
promulgates a new or revised NAAQS.\9\ EPA has historically referred to 
this type of submission as an ``infrastructure SIP.'' Sections 
110(a)(1) and (2) require states to submit infrastructure SIPs that 
address basic program elements, such as air quality planning, 
permitting, and enforcement requirements and legal authority, that are 
designed to assure attainment and maintenance of the newly established 
or revised NAAQS. More specifically, section 110(a)(1) provides the 
procedural and timing requirements for infrastructure SIP submittals. 
Section 110(a)(2) lists specific elements that states must meet to 
satisfy the infrastructure SIP requirements related to a newly 
established or revised NAAQS. The contents of an infrastructure SIP 
submittal may vary depending upon the data and analytical tools 
available to the state, as well as the provisions already contained in 
the state's existing EPA approved SIP at the time when the state 
develops and submits the infrastructure SIP submittal for a new or 
revised NAAQS.
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    \9\ See EPA's proposed approval of North Carolina's December 4, 
2015, infrastructure SIP submittal for the 2012 PM2.5 
NAAQS for a discussion on EPA's general approach to reviewing 
infrastructure SIPs. 81 FR 47314, 47316-18, July 21, 2016.
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    This action pertains to certain PSD-related infrastructure SIP 
requirements of section 110(a)(2)(C), 110(a)(2)(D)(i)(II) and 
110(a)(2)(J), which are relevant in the context of a state's 
development of, and EPA's evaluation of, infrastructure SIP submittals. 
With the exception of these PSD-related requirements of section 
110(a)(2) of the CAA, EPA has already approved or will consider in 
separate actions all other elements of North Carolina's infrastructure 
SIP submittals related to the 1997 Annual and 24-hour PM2.5, 
2006 24-hour PM2.5, 2008 lead, 2008 8-hour ozone, 2010 
SO2, 2010 NO2, and 2012 Annual PM2.5 
NAAQS.

C. EPA's Previous Action on North Carolina's SIP Submittal Related to 
the 2010 PSD PM2.5 Rule

    On September 5, 2013, DAQ submitted a SIP revision in response to 
EPA's 2010 PSD PM2.5 Rule. On September 14, 2016 (81 FR 
63107), EPA disapproved the portions of that submittal that pertain to 
the adoption and implementation of the PM2.5 increments 
because the revision did not fully meet the requirements of the 2010 
PSD PM2.5 Rule. This action addresses only those portions of 
North Carolina's NSR SIP submittals and various infrastructure SIP 
submittals that EPA disapproved in the September 14, 2016, final 
action.\10\ Specifically, although paragraphs (e), (q) and (v) of North 
Carolina's revised PSD regulations at 15A NCAC 02D .0530 incorporated 
the federally-required numerical PM2.5 increments, North 
Carolina's regulations failed to include other federally-required 
provisions needed to implement the PM2.5 increments, 
including (1) the definition of ``[m]ajor source baseline date'' for 
PM2.5 codified at 40 CFR 51.166(b)(14)(i)(c) (defined as 
October 20, 2010); (2) the definition of ``[m]inor source baseline 
date'' for PM2.5 codified at 40 CFR 51.166(b)(14)(ii)(c) 
(which establishes the PM2.5 trigger date as October 20, 
2011); and (3) the definition of ``[b]aseline area'' codified at 40 CFR 
51.166(b)(15)(i). Without these definitions, North Carolina's PSD 
regulations did not require PSD sources to conduct the appropriate 
analyses demonstrating that emissions from proposed construction of new 
major stationary sources or major modifications will not cause or 
contribute to air quality deterioration beyond the amount allowed by 
the PM2.5 increments. Therefore, EPA disapproved all of the 
PM2.5 increment provisions set forth in North Carolina's 
September 5, 2013, SIP submittal, including all of the 
PM2.5-related changes to 15A NCAC 02D .0530 at paragraphs 
(e), (q), and (v). Id. Under section 110(c)(1)(B), these disapprovals 
started a two-year clock for EPA to promulgate a FIP to address the PSD 
PM2.5 program deficiencies.
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    \10\ EPA's September 14, 2016, action approved the following 
portions of the SIP submittals from North Carolina:
    (1) A May 16, 2011, submittal (as revised and updated by the 
State's September 5, 2013, SIP submittal) as meeting the 
requirements of EPA's rule, ``Implementation of the New Source 
Review (NSR) Program for Particulate Matter Less Than 2.5 
Micrometers (PM2.5),'' Final Rule, 73 FR 28321 (May 16, 
2008);
    (2) Administrative changes to North Carolina's PSD and NNSR 
regulations at 15A NCAC 02D .0530 and 15A NCAC 02D .0531 provided by 
the State in a SIP submittal also dated May 16, 2011, including 
clarification of the applicability of best available control 
technology (BACT) and lowest achievable emission rate (LAER) for 
electrical generating units (EGUs) in the State, and the inclusion 
of an additional Federal Land Manager (FLM) notification provision; 
and
    (3) Portions of the PSD elements of North Carolina's 
infrastructure SIP submittals for various NAAQS as indicated.
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D. EPA's Previous Action on North Carolina's SIP Submittals Related to 
Infrastructure SIP PSD Elements

    In addition to disapproving the portions of North Carolina's 
September 5, 2013, SIP submittal pertaining to PM2.5 
increments, EPA's September 14, 2016, action partially approved and

[[Page 28793]]

partially disapproved the following North Carolina infrastructure 
submittals for PSD elements: 1997 Annual and 24-hour PM2.5 
NAAQS (dated April 1, 2008); 2006 24-hour PM2.5 NAAQS (dated 
September 21, 2009); 2008 lead NAAQS (received on July 20, 2012); 2008 
8-hour ozone NAAQS (received on November 2, 2017); 2010 SO2 
NAAQS (received March 18, 2014); 2010 NO2 NAAQS (received on 
August 23, 2013); and 2012 Annual PM2.5 NAAQS (received on 
December 4, 2015). The partial disapproval was limited to the 
PM2.5 increment requirements of the 2010 PM2.5 
Rule for these infrastructure SIP submittals. Under section 
110(c)(1)(B), these disapprovals started a two-year clock for EPA to 
promulgate a FIP to address these infrastructure SIP deficiencies.

IV. What is EPA's analysis of North Carolina's October 17, 2017, SIP 
submittal for PSD?

    On October 17, 2017, North Carolina provided a SIP revision to 
correct the deficiencies EPA had identified in the State's September 5, 
2013, SIP submittal related to the adoption of the PM2.5 
increments. The relevant federal PM2.5 permitting 
requirements for SIPs, set forth in 40 CFR 51.165 and 51.166, were 
promulgated by EPA in the 2010 PSD PM2.5 Rule. States were 
required to make their SIP submittals to address the requirements of 
the 2010 PSD PM2.5 Rule no later than July 20, 2012. North 
Carolina's October 17, 2017, SIP submittal adopts changes in the 
State's PSD permitting program at 15A NCAC 02D .0530 by incorporating 
by reference EPA's PSD regulations as of July 1, 2014. This 
incorporation by reference includes the federally-required provisions 
of EPA's 2010 PSD PM2.5 Rule needed to implement the PSD 
PM2.5 program in North Carolina. Adopting the federal rule 
as of July 1, 2014, has the effect of adding to the North Carolina SIP 
the required definitions of ``major source baseline date,'' ``minor 
source baseline date,'' and ``baseline area'' that were lacking in the 
State's previous PM2.5 submittals.
    This incorporation by reference as of July 1, 2014, also captures 
EPA's October 25, 2012 (77 FR 65107), amendment to the definition of 
``regulated NSR pollutant'' concerning condensable particulate matter. 
In that action, EPA amended the definition of ``regulated NSR 
pollutant'' to remove an inadvertent general requirement of the 2008 
NSR PM2.5 Rule to include the condensable portion of PM when 
measuring emissions-related indicators of ``PM emissions'' in the 
context of the NSR regulations. Under the revised definition, 
PM2.5 and PM10 emissions must include the 
condensable portion of particulate matter, but not PM emissions.\11\ 
Because North Carolina's current federally-approved NSR rule (a portion 
of which was approved by EPA's September 14, 2016, action) adopts the 
PSD definitions in the CFR as of May 16, 2008, it currently requires 
sources to account for the condensable fraction in the measurement and 
regulation of ``PM emissions'' (as well as ``PM2.5 
emissions'' and ``PM10 emissions''). By adopting the PSD 
definitions in the CFR as of July 1, 2014, the revised rule would 
continue to require sources to account for the condensable fraction in 
the measurement of ``PM2.5 emissions'' and ``PM10 
emissions'' but not ``PM emissions.'' As discussed in EPA's May 10, 
2016 (81 FR 28801), proposed action, requiring the inclusion of 
condensable PM in measurements of ``PM emissions'' has little if any 
effect on preventing significant air quality deterioration or on 
efforts to attain the primary and secondary PM NAAQS. Therefore, North 
Carolina's incorporation by reference of EPA's PSD regulations as of 
July 1, 2014, is not only consistent with the current federal rule, but 
it also will not interfere with North Carolina's efforts to prevent 
significant deterioration of air quality and to attain and maintain 
compliance with the PM NAAQS.\12\
---------------------------------------------------------------------------

    \11\ The October 25, 2012, final rule retained the general 
requirement to include the condensable fraction of PM10 
and PM2.5 emissions in each case for purposes of NSR 
permitting under EPA's regulations at 40 CFR 51.166(b)(49)(i), 40 
CFR 52.21(b)(50)(i), 40 CFR 51.165(a)(1)(xxxvii), and 40 CFR part 51 
Appendix S.
    \12\ EPA also notes that the version of EPA's PSD regulations 
incorporated by reference excludes the PSD PM2.5 SILs 
provisions and SMC provisions, which EPA had promulgated in the 2010 
PSD PM2.5 Rule and later removed on December 9, 2013. The 
2010 PSD PM2.5 Rule gave states discretion to adopt 
PM2.5 SILs and a SMC. See 75FR at 64900. On January 22, 
2013, the D.C. Circuit vacated and remanded to EPA the portions of 
50 CFR 51.166 and 52.21 addressing the PM2.5 SILs and 
also vacated the parts of the rule that established the 
PM2.5 SMC. On December 9, 2013 (78 FR 73698), EPA took 
final action amending its regulations to remove the PM2.5 
SILs and SMC provisions from the PSD regulations. However, since 
North Carolina's October 17, 2017, submittal does not include SILs 
or SMC, these regulatory provisions are not relevant to this 
proposed action.
---------------------------------------------------------------------------

V. What is EPA's analysis of North Carolina's October 17, 2017, SIP 
submittal for the infrastructure SIP PSD elements?

    North Carolina's October 17, 2017, SIP submittal addresses certain 
NSR/PSD requirements, as described above, and thereby meets the related 
infrastructure SIP requirements of section 110(a)(2)(C), 
110(a)(2)(D)(i)(II), and 110(a)(2)(J). For the remainder of this 
proposed rulemaking, EPA's intent in referring to ``PSD elements'' is 
to address the PSD requirements in sections 110(a)(2)(C), 
110(a)(2)(D)(i)(II), and 110(a)(2)(J). More detail regarding the 
aforementioned 110(a)(2) requirements related to PSD is provided in the 
discussion that follows.
    Section 110(a)(2)(C) has three components that must be addressed in 
infrastructure SIP submittals: Enforcement, state-wide regulation of 
new and modified minor sources and minor modifications of major 
sources, and PSD permitting of new major sources and major 
modifications in areas designated attainment or unclassifiable as 
required by CAA title I part C (i.e., the major source PSD program). 
Regarding section 110(a)(2)(C), this proposed action only addresses 
North Carolina's infrastructure SIP submittals with respect to the 
major source PSD program.
    Section 110(a)(2)(D)(i) has two components: 110(a)(2)(D)(i)(I) and 
110(a)(2)(D)(i)(II). Each of these components has two subparts 
resulting in four distinct components, commonly referred to as 
``prongs,'' that must be addressed in infrastructure SIP submittals. 
The first two prongs, which are codified in section 110(a)(2)(D)(i)(I), 
are provisions that prohibit any source or other type of emission 
activity in one state from contributing significantly to nonattainment 
of the NAAQS in another state (``prong 1'') and from interfering with 
maintenance of the NAAQS in another state (``prong 2''). The third and 
fourth prongs, which are codified in section 110(a)(2)(D)(i)(II), are 
provisions that prohibit emissions activity in one state from 
interfering with measures required in another state to prevent 
significant deterioration of air quality (``prong 3'') or to protect 
visibility (``prong 4''). With regard to section 110(a)(2)(D)(i), this 
proposed action only addresses North Carolina's infrastructure SIP 
submittals for prong 3.
    Section 110(a)(2)(J) has four components that must be addressed in 
infrastructure SIP submittals: (1) Consultation with government 
officials; (2) public notification; (3) PSD; and (4) visibility 
protection. With regard to section 110(a)(2)(J), this proposed action 
only addresses North Carolina's infrastructure SIP submittals for PSD.
    Regarding the PSD elements of sections 110(a)(2)(C) and (J), EPA 
interprets the CAA to require each state to make, for each new or 
revised NAAQS, an infrastructure SIP submittal that demonstrates that 
the state has a

[[Page 28794]]

complete PSD permitting program meeting the current requirements for 
all regulated NSR pollutants. The requirements of section 
110(a)(2)(D)(i)(II) (prong 3) may also be satisfied by demonstrating 
that the air agency has a complete PSD permitting program correctly 
addressing all regulated NSR pollutants.
    As described in EPA's guidance dated September 13, 2013,\13\ an 
infrastructure SIP submittal should demonstrate that one or more air 
agencies has the authority to implement a comprehensive PSD permit 
program under CAA title I part C for all PSD-subject sources located in 
areas that are designated attainment or unclassifiable for one or more 
NAAQS. EPA interprets the PSD elements to require that a state's 
infrastructure SIP submittal for a particular NAAQS demonstrate that 
the state has a complete PSD permitting program in place covering all 
regulated NSR pollutants. A state's PSD permitting program is complete 
for the PSD elements if EPA has already approved or is simultaneously 
approving the state's implementation plan with respect to all 
structural PSD requirements \14\ that are due under the EPA regulations 
or the CAA on or before the date of EPA's proposed action on the 
infrastructure SIP submittal.
---------------------------------------------------------------------------

    \13\ EPA's September 13, 2013, guidance, titled ``Guidance on 
Infrastructure State Implementation Plan (SIP) Elements under Clean 
Air Act Sections 110(a)(1) and 110(a),'' provides advice on the 
development of infrastructure SIPs for the 2008 ozone NAAQS, the 
2010 nitrogen dioxide NAAQS, the 2010 sulfur dioxide NAAQS, and the 
2012 PM2.5 NAAQS, as well as infrastructure SIPs for new 
or revised NAAQS promulgated in the future.
    \14\ Structural PSD program provisions include provisions 
necessary for the PSD program to address all regulated sources and 
regulated pollutants but do not include provisions under 40 CFR 
51.166 that are considered optional.
---------------------------------------------------------------------------

    On September 14, 2016, EPA partially approved and partially 
disapproved the PSD elements of North Carolina's infrastructure SIP 
submittals for the following NAAQS: 1997 Annual and 24-hour 
PM2.5; 2006 24-hour PM2.5; 2008 lead; 2008 8-hour 
ozone; 2010 NO2; 2010 SO2; and 2012 Annual 
PM2.5. See 81 FR 63107. The partial disapproval was limited 
to the PM2.5 increment requirements of the 2010 
PM2.5 Rule for these infrastructure SIP submittals. North 
Carolina submitted its October 17, 2017, SIP revision to EPA to correct 
the deficiencies in the State's PSD permitting program, and, as 
previously discussed, EPA is proposing to approve this SIP revision. If 
EPA's proposed action is finalized, North Carolina's SIP will include a 
complete PSD program that addresses all structural PSD requirements due 
under the CAA and EPA regulations. Because EPA proposes to approve 
North Carolina's SIP revisions for the PSD program, it is also 
proposing approval of the October 17, 2017, submittal for the PSD 
infrastructure SIP requirements of sections 110(a)(2)(C), 
110(a)(2)(D)(i)(II), and 110(a)(2)(J) for the 2008 lead NAAQS, 2008 
ozone NAAQS, 2010 SO2 NAAQS, 2010 NO2 NAAQS, and 
1997, 2006 and 2012 PM2.5 NAAQS.\15\
---------------------------------------------------------------------------

    \15\ EPA has already approved or will consider in separate 
actions all other elements from North Carolina infrastructure SIP 
submissions related to the 2008 lead, 2008 8-hour ozone, 2010 
NO2, 2010 SO2 NAAQS, and 1997, 2006 and 2012 
PM2.5 NAAQS.
---------------------------------------------------------------------------

VI. Incorporation by Reference

    In this rule, EPA is proposing to include in a final EPA rule 
regulatory text that includes incorporation by reference. In accordance 
with requirements of 1 CFR 51.5, EPA is proposing to incorporate by 
reference North Carolina's regulations 15A NCAC 02D .0530, entitled 
``Prevention of Significant Deterioration,'' effective September 1, 
2017. EPA has made, and will continue to make, these documents 
generally available through www.regulations.gov and in hard copy at the 
EPA Region 4 office (see the ADDRESSES section of this preamble for 
more information).

VII. Proposed Actions

    EPA is proposing to approve changes to the North Carolina SIP, 
provided by the NC DEQ, to EPA on October 17, 2017. These changes 
modify North Carolina's NSR permitting regulations codified at 15A 02D 
.0530--Prevention of Significant Deterioration and include the adoption 
of some federal requirements respecting implementation of the 
PM2.5 NAAQS through the NSR permitting program. 
Specifically, EPA is proposing to approve North Carolina's October 17, 
2017, SIP submittal as it relates to the requirements to comply with 
EPA's 2010 PSD PM2.5 Rule. EPA also notes that North 
Carolina's incorporation by reference of EPA's PSD regulations as of 
July 1, 2014, includes EPA's amendment to the definition of ``regulated 
NSR pollutant'' concerning condensable PM promulgated on October 25, 
2012.
    If EPA finalizes all of the actions proposed in this notice, the 
version of 15A NCAC 02D .0530 (PSD) that became effective in the State 
on September 1, 2017, will be incorporated into North Carolina's SIP. 
As a result of the proposed approval of North Carolina's October 17, 
2017, SIP submittal, EPA is also proposing to approve portions of the 
PSD elements of North Carolina's infrastructure SIP submittals (i.e., 
CAA sections 110(a)(2)(C), 110(a)(2)(D)(i)(II), and 110(a)(2)(J)) for 
the 1997 Annual and 24-hour PM2.5, 2006 24-hour 
PM2.5, 2008 lead, 2008 8-hour ozone, 2010 SO2, 
2010 NO2 and the 2012 Annual PM2.5 NAAQS. If EPA 
finalizes this proposed approval action, that final action will remove 
EPA's obligation under section 110(c) to promulgate a FIP to address 
the PM2.5 increments requirements of EPA's 2010 PSD 
PM2.5 Rule PSD and the related PSD elements for the above 
listed infrastructure SIPs.

VIII. Statutory and Executive Order Reviews

    Under the CAA, the Administrator is required to approve a SIP 
submission that complies with the provisions of the Act and applicable 
Federal regulations. See 42 U.S.C. 7410(k); 40 CFR 52.02(a). Thus, in 
reviewing SIP submissions, EPA's role is to approve state choices, 
provided that they meet the criteria of the CAA. This action merely 
proposes to approve state law as meeting Federal requirements and does 
not impose additional requirements beyond those imposed by state law. 
For that reason, these proposed actions:
     Are not a significant regulatory action subject to review 
by the Office of Management and Budget under Executive Orders 12866 (58 
FR 51735, October 4, 1993) and 13563 (76 FR 3821, January 21, 2011);
     Are not an Executive Order 13771 (82 FR 9339, February 2, 
2017) regulatory action because SIP approvals are exempted under 
Executive Order 12866;
     Do not impose an information collection burden under the 
provisions of the Paperwork Reduction Act (44 U.S.C. 3501 et seq.);
     Are certified as not having a significant economic impact 
on a substantial number of small entities under the Regulatory 
Flexibility Act (5 U.S.C. 601 et seq.);
     Do not contain any unfunded mandate or significantly or 
uniquely affect small governments, as described in the Unfunded 
Mandates Reform Act of 1995 (Pub. L. 104-4);
     Do not have Federalism implications as specified in 
Executive Order 13132 (64 FR 43255, August 10, 1999);
     Are not an economically significant regulatory action 
based on health or safety risks subject to Executive Order 13045 (62 FR 
19885, April 23, 1997);
     Are not a significant regulatory action subject to 
Executive Order 13211 (66 FR 28355, May 22, 2001);
     Are not subject to requirements of Section 12(d) of the 
National

[[Page 28795]]

Technology Transfer and Advancement Act of 1995 (15 U.S.C. 272 note) 
because application of those requirements would be inconsistent with 
the CAA; and
     Do not provide EPA with the discretionary authority to 
address, as appropriate, disproportionate human health or environmental 
effects, using practicable and legally permissible methods, under 
Executive Order 12898 (59 FR 7629, February 16, 1994).
    The SIP is not approved to apply on any Indian reservation land or 
in any other area where EPA or an Indian tribe has demonstrated that a 
tribe has jurisdiction. In those areas of Indian country, the rule does 
not have tribal implications as specified by Executive Order 13175 (65 
FR 67249, November 9, 2000), nor will it impose substantial direct 
costs on tribal governments or preempt tribal law.

List of Subjects in 40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Intergovernmental relations, Lead, Nitrogen dioxide, Ozone, 
Particulate matter, Reporting and recordkeeping requirements, Sulfur 
oxides.

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

    Dated: June 12, 2018.
Onis ``Trey'' Glenn, III,
Regional Administrator, Region 4.
[FR Doc. 2018-13356 Filed 6-20-18; 8:45 am]
BILLING CODE 6560-50-P



                                                                         Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules                                                28789

                                                Department of Homeland Security Delegation              LIBRARY OF CONGRESS                                    Office invited public comment on the
                                                No. 0170.1.                                                                                                    notice of proposed rulemaking. To
                                                                                                        Copyright Office                                       ensure that members of the public have
                                                ■ 2. Add § 165.T07–0463 to read as                                                                             sufficient time to respond, and to ensure
                                                follows:                                                37 CFR Part 201                                        that the Office has the benefit of a
                                                § 165.T07 —0463 Safety Zone; Beaufort                   [Docket No. 2018–4]                                    complete record, the Office is extending
                                                Water Festival Air Show, Beaufort, SC                                                                          the submission deadline by an
                                                                                                        Copyright Office Fees: Extension of                    additional sixty days. Written comments
                                                   (a) Location. This rule establishes a                Comment Period                                         now are due no later than September 21,
                                                safety zone on certain waters of the                                                                           2018.
                                                Beaufort River, Beaufort, SC. The rule                  AGENCY: U.S. Copyright Office, Library
                                                                                                        of Congress.                                             Dated: June 15, 2018.
                                                creates a regulated area that will
                                                                                                                                                               Regan A. Smith,
                                                encompass a portion of the waterway                     ACTION: Notice of proposed rulemaking;
                                                that is 700 feet wide by 2600 feet in                   extension of comment period.                           General Counsel and Associate Register of
                                                                                                                                                               Copyrights.
                                                length on waters of the Beaufort River
                                                encompassed within the following                        SUMMARY:    The Copyright Office is                    [FR Doc. 2018–13323 Filed 6–20–18; 8:45 am]

                                                points: 32°25′47″ N/080°40′44″ W,                       extending the deadline for the                         BILLING CODE 1410–30–P

                                                32°25′41″ N/080°40′14″ W, 32°25′35″ N/                  submission of written comments in
                                                                                                        response to its May 24, 2018 notice of
                                                080°40′16″ W, 32°25′40″ N/080°40′46″
                                                                                                        proposed rulemaking proposing the                      ENVIRONMENTAL PROTECTION
                                                W. All coordinates are North American
                                                                                                        adoption of a new fee schedule.                        AGENCY
                                                Datum 1983.
                                                                                                        DATES: The comment period for the
                                                   (b) Definition. The term ‘‘designated                notice of proposed rulemaking,                         40 CFR Part 52
                                                representative’’ means Coast Guard                      published on May 24, 2018 (83 FR
                                                Patrol Commanders, including Coast                                                                             [EPA–R04–OAR–2015–0501; FRL–9979–
                                                                                                        24054), is extended by an additional                   79—Region 4]
                                                Guard coxswains, petty officers, and                    sixty days. Comments must be made in
                                                other officers operating Coast Guard                    writing and must be received in the U.S.               Air Plan Approval; North Carolina: New
                                                vessels, and Federal, state, and local                  Copyright Office no later than 11:59                   Source Review for Fine Particulate
                                                officers designated by or assisting the                 p.m. Eastern Time on September 21,                     Matter (PM2.5)
                                                COTP in the enforcement of the                          2018.
                                                regulated areas.                                                                                               AGENCY:  Environmental Protection
                                                                                                        ADDRESSES: For reasons of government                   Agency.
                                                   (c) Regulations. (1) All persons and                 efficiency, the Copyright Office is using
                                                vessels are prohibited from entering,                                                                          ACTION: Proposed rule.
                                                                                                        the regulations.gov system for the
                                                transiting through, anchoring in, or                    submission and posting of public                       SUMMARY:   The Environmental Protection
                                                remaining within the regulated area                     comments in this proceeding. All                       Agency (EPA) is proposing to approve
                                                unless authorized by the COTP or a                      comments are therefore to be submitted                 changes to the North Carolina State
                                                designated representative.                              electronically through regulations.gov.                Implementation Plan (SIP), submitted
                                                   (2) Persons and vessels desiring to                  Specific instructions for submitting                   by the North Carolina Department of
                                                enter, transit through, anchor in, or                   comments are available on the                          Environmental Quality (NC DEQ)
                                                remain within the regulated area may                    Copyright Office website at https://                   through the Division of Air Quality
                                                contact the COTP by telephone at 843–                   www.copyright.gov/rulemaking/                          (DAQ), to EPA on October 17, 2017.
                                                740–7050, or a designated                               feestudy2018/. If electronic submission                This SIP submittal modifies North
                                                representative via VHF radio on channel                 of comments is not feasible due to lack                Carolina’s Prevention of Significant
                                                16, to request authorization. If                        of access to a computer and/or the                     Deterioration (PSD) regulations and
                                                authorization to enter, transit through,                internet, please contact the Office for                includes the adoption of specific federal
                                                anchor in, or remain within the                         special instructions using the contact                 provisions needed to meet the New
                                                regulated area is granted by the COTP or                information below.                                     Source Review (NSR) permitting
                                                a designated representative, all persons                FOR FURTHER INFORMATION CONTACT:                       program requirements for the fine
                                                and vessels receiving such authorization                Regan A. Smith, General Counsel and                    particulate matter (PM2.5) national
                                                must comply with the instructions of                    Associate Register of Copyrights, by                   ambient air quality standards (NAAQS).
                                                the COTP or a designated                                email at regans@copyright.gov, or Jalyce               In addition, North Carolina’s October
                                                representative.                                         Mangum, Attorney-Advisor, by email at                  17, 2017, SIP submittal addresses
                                                                                                        jmang@copyright.gov, or either by                      portions of the PSD requirements for the
                                                   (3) The Coast Guard will provide                     telephone at 202–707–8350.                             infrastructure SIPs for the following
                                                notice of the regulated area by Local                   SUPPLEMENTARY INFORMATION: On May                      NAAQS: 1997 Annual and 24-hour
                                                Notice to Mariners, Broadcast Notice to                 24, 2018, the U.S. Copyright Office                    PM2.5, 2006 24-hour PM2.5, 2008 lead,
                                                Mariners, and on-scene designated                       issued a proposed rulemaking                           2008 8-hour ozone, 2010 sulfur dioxide
                                                representatives.                                        recommending the adoption of a new                     (SO2), 2010 nitrogen dioxide (NO2) and
                                                   (d) Enforcement Period. This rule will               fee schedule for services in the                       2012 Annual PM2.5. As a result of this
                                                be enforced on July 21, 2018 from 12                    following areas: Registration,                         proposed approval of North Carolina’s
amozie on DSK3GDR082PROD with PROPOSALS1




                                                p.m. until 5 p.m.                                       recordation, record retrieval, search, and             modified PSD regulations, EPA is also
                                                  Dated: June 13, 2018.                                 certification, the Licensing Division,                 proposing to approve North Carolina’s
                                                                                                        and other ancillary services. The                      submittal with respect to the related
                                                J.W. Reed,                                                                                                     PSD infrastructure SIP requirements for
                                                                                                        proposed fee schedule would assist the
                                                Captain, U.S. Coast Guard, Captain of the               Office in recovering a significant part,               these NAAQS. As discussed in this
                                                Port Charleston.                                        though not the whole, of its costs.1 The               notice, EPA previously disapproved
                                                [FR Doc. 2018–13210 Filed 6–20–18; 8:45 am]                                                                    portions of earlier submittals from North
                                                BILLING CODE 9110–04–P                                    1 83   FR 24054 (May 24, 2018).                      Carolina that were intended to meet


                                           VerDate Sep<11>2014   16:10 Jun 20, 2018   Jkt 244001   PO 00000   Frm 00005   Fmt 4702   Sfmt 4702   E:\FR\FM\21JNP1.SGM   21JNP1


                                                28790                   Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules

                                                these requirements. These proposed                      VII. Proposed Actions                                   partially approve and partially
                                                approvals, if finalized, will remove                    VIII. Statutory and Executive Order Reviews             disapprove revisions to North Carolina’s
                                                EPA’s obligation to promulgate a                        I. What are the actions EPA is                          SIP with regard to the State’s NSR
                                                Federal Implementation Plans (FIP) to                   proposing?                                              permitting regulations for PM2.5,
                                                meet the relevant Clean Air Act (CAA or                                                                         ‘‘particulate matter,’’ also known as
                                                Act) requirements.                                         EPA is proposing two actions with                    particle pollution or PM, is a complex
                                                                                                        regard to North Carolina’s SIP submittal                mixture of extremely small particles and
                                                DATES: Comments must be received on
                                                                                                        updating the State’s PSD regulations                    liquid droplets that can affect the heart
                                                or before July 23, 2018.
                                                                                                        found at 15A North Carolina                             and lungs and cause serious health
                                                ADDRESSES: Submit your comments,                        Administrative Code (NCAC) 02D
                                                identified by Docket ID No. EPA–R04–                                                                            effects. EPA currently regulates PM
                                                                                                        .0530.1 First, EPA is proposing to                      according to two size categories: PM10,
                                                OAR–2015–0501 at http://                                approve North Carolina’s October 17,
                                                www.regulations.gov. Follow the online                                                                          which comprises all particles smaller
                                                                                                        2017, SIP submittal with regard to
                                                instructions for submitting comments.                                                                           than or equal to 10 micrometers in
                                                                                                        changes to the State’s regulation at 15A
                                                Once submitted, comments cannot be                                                                              diameter and includes ‘‘inhalable coarse
                                                                                                        NCAC 02D .0530 because EPA has
                                                edited or removed from Regulations.gov.                                                                         particles,’’ and PM2.5, also known as
                                                                                                        preliminarily determined that the
                                                EPA may publish any comment received                                                                            ‘‘fine particles,’’ which comprises all
                                                                                                        State’s changes fully meet the
                                                to its public docket. Do not submit                                                                             particles smaller than or equal to 2.5
                                                                                                        requirements of EPA’s rulemaking,
                                                electronically any information you                                                                              micrometers in diameter.
                                                                                                        ‘‘Prevention of Significant Deterioration
                                                consider to be Confidential Business                    (PSD) for Particulate Matter Less Than                     The CAA requires EPA to set air
                                                Information (CBI) or other information                  2.5 Micrometers (PM2.5)—Increments,                     quality standards to protect both public
                                                whose disclosure is restricted by statute.              Significant Impact Levels (SILs) and                    health and the public welfare (e.g.,
                                                Multimedia submissions (audio, video,                   Significant Monitoring Concentration                    visibility, crops and vegetation). Particle
                                                etc.) must be accompanied by a written                  (SMC),’’ Final Rule, 75 FR 64864                        pollution, especially fine particles,
                                                comment. The written comment is                         (October 20, 2010) (hereafter referred to               affects both. The human health effects
                                                considered the official comment and                     as the ‘‘2010 PSD PM2.5 Rule’’).                        associated with long- or short-term
                                                should include discussion of all points                    Second, as a result of the proposed                  exposure to PM2.5 are significant and
                                                you wish to make. EPA will generally                    approval of North Carolina’s October 17,                include premature mortality,
                                                not consider comments or comment                        2017, SIP submittal for these PSD                       aggravation of respiratory and
                                                contents located outside of the primary                 requirements, EPA is proposing to                       cardiovascular disease (as indicated by
                                                submission (i.e., on the web, cloud, or                 approve this submittal for portions of                  increased hospital admissions and
                                                other file sharing system). For                         the infrastructure SIP PSD elements for                 emergency room visits) and
                                                additional submission methods, the full                 the following NAAQS: 1997 Annual and                    development of chronic respiratory
                                                EPA public comment policy,                              24-hour PM2.5, 2006 24-hour PM2.5, 2008                 disease. In addition, welfare effects
                                                information about CBI or multimedia                     lead, 2008 8-hour ozone, 2010 SO2, 2010                 associated with elevated PM2.5 levels
                                                submissions, and general guidance on                    NO2 and 2012 Annual PM2.5.2 3                           include visibility impairment as well as
                                                making effective comments, please visit                                                                         effects on sensitive ecosystems,
                                                http://www2.epa.gov/dockets/                            II. Fine Particulate Matter and the
                                                                                                        NAAQS                                                   materials damage and soiling and
                                                commenting-epa-dockets.                                                                                         climatic and radiative processes.
                                                FOR FURTHER INFORMATION CONTACT: Joel                      As described in EPA’s May 10, 2016
                                                                                                                                                                   Since July 1, 1987, EPA had used
                                                Huey of the Air Planning and                            (81 FR 28801), proposal action to
                                                Implementation Branch, Air, Pesticides                                                                          PM10 as an indicator for the PM
                                                and Toxics Management Division, U.S.                       1 North Carolina’s preconstruction permitting        NAAQS. See 52 FR 24634. On July 18,
                                                Environmental Protection Agency,                        program for new and modified stationary sources is      1997, EPA amended the PM NAAQS by
                                                Region 4, 61 Forsyth Street SW, Atlanta,
                                                                                                        codified at 15A NCAC Subchapter 02D.                    adding new standards that focus on fine
                                                                                                        Specifically, North Carolina’s PSD preconstruction      particles, using PM2.5 as the indicator.
                                                Georgia 30303–8960. Mr. Huey can be                     regulations are found at 15A NCAC 02D .0530 and
                                                reached by telephone at (404) 562–9104                  apply to major stationary sources or modifications      See 62 FR 38652. EPA established
                                                or via electronic mail at huey.joel@                    constructed in areas designated attainment or           health-based (primary) annual and 24-
                                                epa.gov.
                                                                                                        unclassifiable for the NAAQS, as required under         hour standards for PM2.5, setting the
                                                                                                        part C of title I of the CAA. North Carolina’s          annual standard at a level of 15
                                                SUPPLEMENTARY INFORMATION:                              nonattainment new source review (NNSR)
                                                                                                        regulations are found at 15A NCAC 02D .0531 and         micrograms per cubic meter (mg/m3) and
                                                I. What are the actions EPA is proposing?               apply to the construction and modification of any       the 24-hour standard at a level of 65 mg/
                                                II. Fine Particulate Matter and the NAAQS               major stationary source of air pollution located in     m3 (the ‘‘1997 Annual and 24-hour
                                                III. What is the background for these                   or impacting a NAAQS nonattainment area, as             PM2.5 NAAQS’’). EPA established
                                                      proposed actions?                                 required by part D of title I of the CAA. This
                                                                                                        proposed action does not relate to North Carolina’s     welfare-based (secondary) standards
                                                   A. Requirements of the 2010 PSD PM2.5
                                                                                                        NNSR regulations, which are already fully               identical to the primary standards. Id.
                                                      Rule for PSD SIP Programs                         approved into North Carolina’s SIP.
                                                   B. Requirements for Infrastructure SIPs                                                                      On October 17, 2006, EPA revised the
                                                                                                           2 North Carolina’s October 17, 2017, SIP submittal
                                                   C. EPA’s Previous Action on North                                                                            primary and secondary NAAQS for
                                                                                                        requested approval of the PSD infrastructure SIPs
                                                      Carolina’s SIP Submittal Related to the           for the 2008 lead, 2008 8-hour ozone, 2010 SO2,         PM2.5. See 71 FR 61236. In that
                                                      2010 PSD PM2.5 Rule                               2010 NO2 and the 2012 PM2.5 NAAQS. On April 16,         rulemaking, EPA reduced the 24-hour
                                                   D. EPA’s Previous Action on North                    2018, the State submitted a letter to EPA clarifying    NAAQS for PM2.5 to 35 mg/m3 (the
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                                                      Carolina’s SIP Submittals Related to              that the same submittal is intended to satisfy the      ‘‘2006 24-hour PM2.5 NAAQS’’) and
                                                      Infrastructure SIP PSD Elements                   PSD elements of the State’s infrastructure SIP
                                                                                                        submittals for the 1997 and 2006 PM2.5 NAAQS as         retained the existing annual PM2.5
                                                IV. What is EPA’s analysis of North                                                                             NAAQS of 15 mg/m3. Id. On January 15,
                                                                                                        well.
                                                      Carolina’s October 17, 2017, SIP
                                                      submittal for PSD?
                                                                                                           3 The background for various NAAQS is provided       2013, EPA revised the primary NAAQS
                                                                                                        in EPA’s proposed and final rulemaking entitled         but not the secondary NAAQS for PM2.5.
                                                V. What is EPA’s analysis of North Carolina’s           ‘‘Air Plan Approval and Disapproval; North
                                                      October 17, 2017, SIP submittal for the           Carolina: New Source Review for Fine Particulate
                                                                                                                                                                See 78 FR 3086. In that rulemaking, EPA
                                                      infrastructure SIP PSD elements?                  Matter (PM2.5).’’ See 81 FR 28797 (May 10, 2016)        reduced the annual NAAQS for PM2.5 to
                                                VI. Incorporation by Reference                          and 81 FR 63107 (September 14, 2016).                   12 mg/m3 (the ‘‘2012 Annual PM2.5


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                                                                         Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules                                             28791

                                                NAAQS’’ 4) and retained the existing 24-   significant deterioration of air quality in                            account for the increment-affecting
                                                hour PM2.5 NAAQS of 35 mg/m3.              areas meeting the NAAQS. States are                                    emissions occurring after the trigger
                                                                                           also required to adopt and submit for                                  date, in accordance with the statutory
                                                III. What is the background for these
                                                                                           EPA approval revisions to the                                          definition of ‘‘baseline concentration’’
                                                proposed actions?
                                                                                           definitions for ‘‘major source baseline                                in section 169(4) of the Act. The ‘‘major
                                                A. Requirements of the 2010 PSD PM2.5      date,’’ ‘‘minor source baseline date,’’                                source baseline date,’’ which precedes
                                                Rule for PSD SIP Programs                  and ‘‘baseline area’’ as part of the                                   the trigger date, is the date after which
                                                   As established in part C of title I of  implementing regulations for the PM2.5                                 actual changes in emissions associated
                                                the CAA, EPA’s PSD program protects        increment.                                                             with construction at any major
                                                public health and welfare from adverse        For purposes of calculating increment                               stationary source affect the PSD
                                                effects of air pollution by ensuring that  consumption,     a baseline area for a                                 increment. Ambient concentration
                                                construction of new major sources or       particular pollutant includes the                                      levels associated with such changes in
                                                modifications in attainment or             attainment or unclassifiable area in                                   emissions are not included in the
                                                unclassifiable areas does not lead to      which the source is located and any                                    baseline concentration, even if the
                                                significant deterioration of air quality   other attainment or unclassifiable area                                changes in emissions occur before the
                                                while simultaneously ensuring that         in which the source’s emissions of that                                minor source baseline date. In
                                                economic growth will occur in a manner pollutant are projected (by air quality                                    accordance with the statutory definition
                                                consistent with preservation of clean air modeling) to result in a significant                                    of ‘‘baseline concentration’’ at section
                                                resources. Under section 165(a)(3) of the ambient pollutant increase. See 40 CFR                                  169(4), the PSD regulations define a
                                                CAA, a PSD permit applicant must           51.166(b)(15)(i). Once the baseline area                               fixed date, related to the increments that
                                                demonstrate that emissions from the        is established, subsequent PSD sources                                 EPA established for a particular
                                                proposed construction and operation of     locating in that area need to consider                                 pollutant, to represent the major source
                                                a facility ‘‘will not cause, or contribute that a portion of the available increment                              baseline date for that pollutant. The
                                                to, air pollution in excess of any         may have already been consumed by                                      ‘‘minor source baseline date,’’ which is
                                                maximum allowable increase or              previous emission increases.                                           also pollutant-specific, is the earliest
                                                                                              In general, the submittal date of the                               date after the trigger date on which a
                                                allowable concentration for any
                                                                                           first complete PSD permit application in                               source or modification submits the first
                                                pollutant.’’ In other words, when a
                                                                                           a particular area is the operative                                     complete application for a PSD permit
                                                source applies for a permit to emit a
                                                                                           ‘‘baseline date,’’ after which new                                     in a particular area. This is the date on
                                                regulated air pollutant in an area that is
                                                                                           sources must evaluate increment                                        which the baseline concentration
                                                designated as attainment or
                                                                                           consumption.6 On or before the date of                                 associated with a particular increment
                                                unclassifiable for a NAAQS, the state
                                                                                           the first complete PSD application,                                    generally is established. After the minor
                                                and EPA must determine if the source’s
                                                                                           existing ambient concentration levels of
                                                emissions of that pollutant will cause                                                                            source baseline date, any ambient
                                                                                           a pollutant generally are considered to
                                                significant deterioration in air quality.                                                                         concentration level changes caused by a
                                                                                           represent the baseline concentration
                                                Significant deterioration occurs when                                                                             change in actual emissions (from both
                                                the amount of the new pollution            from which increment consumption is
                                                                                                                                                                  major and minor sources) affects the
                                                exceeds the applicable PSD increment,      calculated, except for certain changes in
                                                                                                                                                                  PSD increment for that area.
                                                which is the ‘‘maximum allowable           ambient concentration levels caused by
                                                                                           emission changes from construction at                                     Once the minor source baseline date
                                                increase’’ of an air pollutant allowed to                                                                         is established, the ambient pollutant
                                                occur above the applicable baseline        major stationary sources. Increases in
                                                                                           ambient concentration levels caused by                                 concentration level increase caused by a
                                                concentration 5 for that pollutant.                                                                               proposed emission increase from the
                                                Therefore, an increment is the             emission increases that occur after the
                                                                                                                                                                  major source submitting the first PSD
                                                mechanism used to estimate ‘‘significant baseline date will be counted toward the                                 application consumes a portion of the
                                                deterioration’’ of air quality for a       amount of increment consumed.
                                                                                           Similarly, decreases in ambient                                        increment in that area, as do any
                                                pollutant in an area.                                                                                             subsequent ambient concentration level
                                                   EPA finalized the 2010 PSD PM2.5        concentration levels caused by emission
                                                                                           decreases that occur after the applicable                              increases caused by actual emission
                                                Rule to provide additional regulatory                                                                             increases that occur from any new or
                                                requirements under the PSD SIP             baseline date either restore or expand
                                                                                           the amount of increment available.                                     existing source in the area. When the
                                                program regarding the implementation                                                                              maximum pollutant concentration
                                                of the PM2.5 NAAQS. See 75 FR 64864.          In practice, three dates related to the
                                                                                           PSD   baseline concept are important in                                increase defined by the increment has
                                                The 2010 PSD PM2.5 Rule required states                                                                           been reached, additional PSD permits
                                                to submit SIP revisions to EPA by July     understanding how to calculate the
                                                                                           amount of increment consumed—(1)                                       cannot be issued until sufficient
                                                20, 2012, adopting provisions
                                                                                           trigger date; (2) major source baseline                                amounts of the affected increment are
                                                equivalent to or at least as stringent as
                                                                                           date; and (3) minor source baseline date.                              ‘‘freed up’’ via emission reductions of
                                                the PSD increments and associated
                                                                                           The trigger date, as the name implies, is                              the pollutant that may occur voluntarily
                                                implementing regulations. Specifically,
                                                                                                                                                                  (e.g., via source shutdowns) or by
                                                the 2010 PSD PM2.5 Rule requires states a fixed date that initiates the overall
                                                                                           increment consumption process                                          mandatory control requirements
                                                to adopt and submit for EPA approval
                                                                                           nationwide. See 40 CFR                                                 imposed by the reviewing authority.
                                                into their SIP the numerical PM2.5
                                                                                           51.166(b)(14)(ii). The ‘‘major source                                  Moreover, the overall air quality for a
                                                increments promulgated pursuant to
                                                                                           baseline date’’ and the ‘‘minor source                                 pollutant in a region cannot be allowed
                                                section 166(a) of the CAA to prevent
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                                                                                           baseline date’’ are necessary to properly                              to deteriorate to a level in excess of the
                                                  4 Signed by the EPA Administrator on December                                                                   applicable NAAQS, even if all the
                                                14, 2012.                                                   6 Baseline dates are pollutant-specific. That is, a   increment in the area has not been
                                                  5 Section 169(4) of the CAA provides that the           complete PSD application establishes the baseline       consumed. Therefore, new or modified
                                                baseline concentration of a pollutant for a particular    dates only for those regulated NSR pollutants that      sources located in areas where the
                                                baseline area is generally the ambient concentration      are projected to be emitted in significant amounts
                                                levels which exist at the time of the first application   (as defined in the regulations) by the applicant’s
                                                                                                                                                                  ambient pollutant concentration levels
                                                for a PSD permit in the area after the applicable         new source or modification. Thus, an area may have      are near the level allowed by the
                                                baseline date.                                            different baseline dates for different pollutants.      NAAQS may not have full use of the


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                                                28792                   Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules

                                                amount of ambient concentration                         (2) within three years after EPA                       disapproved in the September 14, 2016,
                                                increase allowed by the increment.                      promulgates a new or revised NAAQS.9                   final action.10 Specifically, although
                                                   In the 2010 PSD PM2.5 Rule, pursuant                 EPA has historically referred to this type             paragraphs (e), (q) and (v) of North
                                                to the authority under section 166(a) of                of submission as an ‘‘infrastructure                   Carolina’s revised PSD regulations at
                                                the CAA, EPA promulgated numerical                      SIP.’’ Sections 110(a)(1) and (2) require              15A NCAC 02D .0530 incorporated the
                                                increments for PM2.5 as a new                           states to submit infrastructure SIPs that              federally-required numerical PM2.5
                                                pollutant 7 for which NAAQS were                        address basic program elements, such as                increments, North Carolina’s regulations
                                                established after August 7, 1977,8 and                  air quality planning, permitting, and                  failed to include other federally-
                                                derived 24-hour and annual PM2.5                        enforcement requirements and legal                     required provisions needed to
                                                increments for the three area                           authority, that are designed to assure                 implement the PM2.5 increments,
                                                classifications (Class I, II and III). See 75           attainment and maintenance of the                      including (1) the definition of ‘‘[m]ajor
                                                FR 64869 and the ambient air increment                  newly established or revised NAAQS.                    source baseline date’’ for PM2.5 codified
                                                table at 40 CFR 51.166(c)(1). EPA also                  More specifically, section 110(a)(1)                   at 40 CFR 51.166(b)(14)(i)(c) (defined as
                                                established the PM2.5 ‘‘trigger date’’ as               provides the procedural and timing                     October 20, 2010); (2) the definition of
                                                October 20, 2011 (40 CFR                                requirements for infrastructure SIP                    ‘‘[m]inor source baseline date’’ for PM2.5
                                                51.166(b)(14)(ii)(c)), and the PM2.5                    submittals. Section 110(a)(2) lists                    codified at 40 CFR 51.166(b)(14)(ii)(c)
                                                ‘‘major source baseline date’’ as October               specific elements that states must meet                (which establishes the PM2.5 trigger date
                                                20, 2010 (40 CFR 51.166(b)(14)(i)). See                 to satisfy the infrastructure SIP                      as October 20, 2011); and (3) the
                                                75 FR 64903. Finally, EPA amended the                   requirements related to a newly                        definition of ‘‘[b]aseline area’’ codified
                                                term ‘‘baseline area’’ at 40 CFR                        established or revised NAAQS. The                      at 40 CFR 51.166(b)(15)(i). Without
                                                51.166(b)(15)(i) to include a level of                  contents of an infrastructure SIP                      these definitions, North Carolina’s PSD
                                                significance of 0.3 mg/m3, annual                       submittal may vary depending upon the                  regulations did not require PSD sources
                                                average, for establishing a new baseline                data and analytical tools available to the             to conduct the appropriate analyses
                                                area for purposes of PM2.5 increments.                  state, as well as the provisions already               demonstrating that emissions from
                                                Id.                                                     contained in the state’s existing EPA                  proposed construction of new major
                                                   On May 16, 2008 (73 FR 28321), EPA                   approved SIP at the time when the state                stationary sources or major
                                                finalized the ‘‘Implementation of the                   develops and submits the infrastructure                modifications will not cause or
                                                New Source Review (NSR) Program for                     SIP submittal for a new or revised                     contribute to air quality deterioration
                                                Particulate Matter Less Than 2.5                        NAAQS.                                                 beyond the amount allowed by the
                                                Micrometers (PM2.5)’’ (hereafter referred                  This action pertains to certain PSD-                PM2.5 increments. Therefore, EPA
                                                to as the ‘‘2008 NSR PM2.5 Rule’’) to                   related infrastructure SIP requirements                disapproved all of the PM2.5 increment
                                                implement the 1997 PM2.5 NAAQS for                      of section 110(a)(2)(C), 110(a)(2)(D)(i)(II)           provisions set forth in North Carolina’s
                                                the NSR permitting program. The 2008                    and 110(a)(2)(J), which are relevant in                September 5, 2013, SIP submittal,
                                                NSR PM2.5 Implementation Rule revised                   the context of a state’s development of,               including all of the PM2.5-related
                                                the federal NSR program requirements                    and EPA’s evaluation of, infrastructure                changes to 15A NCAC 02D .0530 at
                                                to establish the framework for                          SIP submittals. With the exception of                  paragraphs (e), (q), and (v). Id. Under
                                                implementing preconstruction permit                     these PSD-related requirements of                      section 110(c)(1)(B), these disapprovals
                                                review for the PM2.5 NAAQS in both                      section 110(a)(2) of the CAA, EPA has                  started a two-year clock for EPA to
                                                attainment and nonattainment areas.                     already approved or will consider in                   promulgate a FIP to address the PSD
                                                Among other things, the 2008 NSR                        separate actions all other elements of                 PM2.5 program deficiencies.
                                                PM2.5 Rule directed states to incorporate               North Carolina’s infrastructure SIP
                                                                                                        submittals related to the 1997 Annual                  D. EPA’s Previous Action on North
                                                into their SIPs the requirement for                                                                            Carolina’s SIP Submittals Related to
                                                applicability determinations and                        and 24-hour PM2.5, 2006 24-hour PM2.5,
                                                                                                        2008 lead, 2008 8-hour ozone, 2010 SO2,                Infrastructure SIP PSD Elements
                                                emission limits in PSD and NNSR
                                                                                                        2010 NO2, and 2012 Annual PM2.5                           In addition to disapproving the
                                                permits to account for gases that
                                                                                                        NAAQS.                                                 portions of North Carolina’s September
                                                condense to form particles (condensable
                                                                                                                                                               5, 2013, SIP submittal pertaining to
                                                PM).                                                    C. EPA’s Previous Action on North                      PM2.5 increments, EPA’s September 14,
                                                                                                        Carolina’s SIP Submittal Related to the                2016, action partially approved and
                                                B. Requirements for Infrastructure SIPs
                                                                                                        2010 PSD PM2.5 Rule
                                                  By statute, states are required to have
                                                                                                          On September 5, 2013, DAQ                              10 EPA’s September 14, 2016, action approved the
                                                SIPs that provide for the                                                                                      following portions of the SIP submittals from North
                                                                                                        submitted a SIP revision in response to
                                                implementation, maintenance, and                                                                               Carolina:
                                                                                                        EPA’s 2010 PSD PM2.5 Rule. On
                                                enforcement of the NAAQS. States are                                                                             (1) A May 16, 2011, submittal (as revised and
                                                                                                        September 14, 2016 (81 FR 63107), EPA                  updated by the State’s September 5, 2013, SIP
                                                further required to provide a SIP
                                                                                                        disapproved the portions of that                       submittal) as meeting the requirements of EPA’s
                                                submittal meeting the applicable
                                                                                                        submittal that pertain to the adoption                 rule, ‘‘Implementation of the New Source Review
                                                requirements of sections 110(a)(1) and                                                                         (NSR) Program for Particulate Matter Less Than 2.5
                                                                                                        and implementation of the PM2.5
                                                                                                                                                               Micrometers (PM2.5),’’ Final Rule, 73 FR 28321 (May
                                                  7 EPA generally characterized the PM
                                                                                                        increments because the revision did not                16, 2008);
                                                                                        2.5 NAAQS
                                                as a NAAQS for a new indicator of PM. EPA did           fully meet the requirements of the 2010                  (2) Administrative changes to North Carolina’s
                                                not replace the PM10 NAAQS with the NAAQS for           PSD PM2.5 Rule. This action addresses                  PSD and NNSR regulations at 15A NCAC 02D .0530
                                                PM2.5 when the PM2.5 NAAQS were promulgated in          only those portions of North Carolina’s                and 15A NCAC 02D .0531 provided by the State in
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                                                1997. EPA rather retained the Annual and 24-hour                                                               a SIP submittal also dated May 16, 2011, including
                                                NAAQS for PM10 (retaining PM10 as an indicator of
                                                                                                        NSR SIP submittals and various                         clarification of the applicability of best available
                                                coarse particulate matter) and treated PM2.5 as a       infrastructure SIP submittals that EPA                 control technology (BACT) and lowest achievable
                                                new pollutant for purposes of developing                                                                       emission rate (LAER) for electrical generating units
                                                increments. See 75 FR at 64864.                           9 See EPA’s proposed approval of North               (EGUs) in the State, and the inclusion of an
                                                  8 EPA interprets section 166(a) to authorize EPA      Carolina’s December 4, 2015, infrastructure SIP        additional Federal Land Manager (FLM) notification
                                                to promulgate pollutant-specific PSD regulations        submittal for the 2012 PM2.5 NAAQS for a               provision; and
                                                meeting the requirements of section 166(c) and          discussion on EPA’s general approach to reviewing        (3) Portions of the PSD elements of North
                                                166(d) for any pollutant for which EPA promulgates      infrastructure SIPs. 81 FR 47314, 47316–18, July 21,   Carolina’s infrastructure SIP submittals for various
                                                a NAAQS after 1977.                                     2016.                                                  NAAQS as indicated.



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                                                                        Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules                                             28793

                                                partially disapproved the following                     definition, PM2.5 and PM10 emissions                    and 110(a)(2)(J). For the remainder of
                                                North Carolina infrastructure submittals                must include the condensable portion of                 this proposed rulemaking, EPA’s intent
                                                for PSD elements: 1997 Annual and 24-                   particulate matter, but not PM                          in referring to ‘‘PSD elements’’ is to
                                                hour PM2.5 NAAQS (dated April 1,                        emissions.11 Because North Carolina’s                   address the PSD requirements in
                                                2008); 2006 24-hour PM2.5 NAAQS                         current federally-approved NSR rule (a                  sections 110(a)(2)(C), 110(a)(2)(D)(i)(II),
                                                (dated September 21, 2009); 2008 lead                   portion of which was approved by                        and 110(a)(2)(J). More detail regarding
                                                NAAQS (received on July 20, 2012);                      EPA’s September 14, 2016, action)                       the aforementioned 110(a)(2)
                                                2008 8-hour ozone NAAQS (received on                    adopts the PSD definitions in the CFR                   requirements related to PSD is provided
                                                November 2, 2017); 2010 SO2 NAAQS                       as of May 16, 2008, it currently requires               in the discussion that follows.
                                                (received March 18, 2014); 2010 NO2                     sources to account for the condensable                     Section 110(a)(2)(C) has three
                                                NAAQS (received on August 23, 2013);                    fraction in the measurement and                         components that must be addressed in
                                                and 2012 Annual PM2.5 NAAQS                             regulation of ‘‘PM emissions’’ (as well as              infrastructure SIP submittals:
                                                (received on December 4, 2015). The                     ‘‘PM2.5 emissions’’ and ‘‘PM10                          Enforcement, state-wide regulation of
                                                partial disapproval was limited to the                  emissions’’). By adopting the PSD                       new and modified minor sources and
                                                PM2.5 increment requirements of the                     definitions in the CFR as of July 1, 2014,              minor modifications of major sources,
                                                2010 PM2.5 Rule for these infrastructure                the revised rule would continue to                      and PSD permitting of new major
                                                SIP submittals. Under section                           require sources to account for the                      sources and major modifications in
                                                110(c)(1)(B), these disapprovals started a              condensable fraction in the                             areas designated attainment or
                                                two-year clock for EPA to promulgate a                  measurement of ‘‘PM2.5 emissions’’ and                  unclassifiable as required by CAA title
                                                FIP to address these infrastructure SIP                 ‘‘PM10 emissions’’ but not ‘‘PM                         I part C (i.e., the major source PSD
                                                deficiencies.                                           emissions.’’ As discussed in EPA’s May                  program). Regarding section
                                                                                                        10, 2016 (81 FR 28801), proposed                        110(a)(2)(C), this proposed action only
                                                IV. What is EPA’s analysis of North                                                                             addresses North Carolina’s
                                                                                                        action, requiring the inclusion of
                                                Carolina’s October 17, 2017, SIP                                                                                infrastructure SIP submittals with
                                                                                                        condensable PM in measurements of
                                                submittal for PSD?                                                                                              respect to the major source PSD
                                                                                                        ‘‘PM emissions’’ has little if any effect
                                                   On October 17, 2017, North Carolina                  on preventing significant air quality                   program.
                                                provided a SIP revision to correct the                  deterioration or on efforts to attain the                  Section 110(a)(2)(D)(i) has two
                                                deficiencies EPA had identified in the                  primary and secondary PM NAAQS.                         components: 110(a)(2)(D)(i)(I) and
                                                State’s September 5, 2013, SIP submittal                Therefore, North Carolina’s                             110(a)(2)(D)(i)(II). Each of these
                                                related to the adoption of the PM2.5                    incorporation by reference of EPA’s PSD                 components has two subparts resulting
                                                increments. The relevant federal PM2.5                  regulations as of July 1, 2014, is not only             in four distinct components, commonly
                                                permitting requirements for SIPs, set                   consistent with the current federal rule,               referred to as ‘‘prongs,’’ that must be
                                                forth in 40 CFR 51.165 and 51.166, were                 but it also will not interfere with North               addressed in infrastructure SIP
                                                promulgated by EPA in the 2010 PSD                      Carolina’s efforts to prevent significant               submittals. The first two prongs, which
                                                PM2.5 Rule. States were required to                     deterioration of air quality and to attain              are codified in section 110(a)(2)(D)(i)(I),
                                                make their SIP submittals to address the                and maintain compliance with the PM                     are provisions that prohibit any source
                                                requirements of the 2010 PSD PM2.5                      NAAQS.12                                                or other type of emission activity in one
                                                Rule no later than July 20, 2012. North                                                                         state from contributing significantly to
                                                Carolina’s October 17, 2017, SIP                        V. What is EPA’s analysis of North                      nonattainment of the NAAQS in another
                                                submittal adopts changes in the State’s                 Carolina’s October 17, 2017, SIP                        state (‘‘prong 1’’) and from interfering
                                                PSD permitting program at 15A NCAC                      submittal for the infrastructure SIP PSD                with maintenance of the NAAQS in
                                                02D .0530 by incorporating by reference                 elements?                                               another state (‘‘prong 2’’). The third and
                                                EPA’s PSD regulations as of July 1,                       North Carolina’s October 17, 2017,                    fourth prongs, which are codified in
                                                2014. This incorporation by reference                   SIP submittal addresses certain NSR/                    section 110(a)(2)(D)(i)(II), are provisions
                                                includes the federally-required                         PSD requirements, as described above,                   that prohibit emissions activity in one
                                                provisions of EPA’s 2010 PSD PM2.5                      and thereby meets the related                           state from interfering with measures
                                                Rule needed to implement the PSD                        infrastructure SIP requirements of                      required in another state to prevent
                                                PM2.5 program in North Carolina.                        section 110(a)(2)(C), 110(a)(2)(D)(i)(II),              significant deterioration of air quality
                                                Adopting the federal rule as of July 1,                                                                         (‘‘prong 3’’) or to protect visibility
                                                2014, has the effect of adding to the                      11 The October 25, 2012, final rule retained the
                                                                                                                                                                (‘‘prong 4’’). With regard to section
                                                North Carolina SIP the required                         general requirement to include the condensable          110(a)(2)(D)(i), this proposed action
                                                                                                        fraction of PM10 and PM2.5 emissions in each case
                                                definitions of ‘‘major source baseline                  for purposes of NSR permitting under EPA’s              only addresses North Carolina’s
                                                date,’’ ‘‘minor source baseline date,’’                 regulations at 40 CFR 51.166(b)(49)(i), 40 CFR          infrastructure SIP submittals for prong
                                                and ‘‘baseline area’’ that were lacking in              52.21(b)(50)(i), 40 CFR 51.165(a)(1)(xxxvii), and 40    3.
                                                the State’s previous PM2.5 submittals.                  CFR part 51 Appendix S.                                    Section 110(a)(2)(J) has four
                                                                                                           12 EPA also notes that the version of EPA’s PSD
                                                   This incorporation by reference as of                regulations incorporated by reference excludes the
                                                                                                                                                                components that must be addressed in
                                                July 1, 2014, also captures EPA’s                       PSD PM2.5 SILs provisions and SMC provisions,           infrastructure SIP submittals: (1)
                                                October 25, 2012 (77 FR 65107),                         which EPA had promulgated in the 2010 PSD PM2.5         Consultation with government officials;
                                                amendment to the definition of                          Rule and later removed on December 9, 2013. The         (2) public notification; (3) PSD; and (4)
                                                                                                        2010 PSD PM2.5 Rule gave states discretion to adopt
                                                ‘‘regulated NSR pollutant’’ concerning                  PM2.5 SILs and a SMC. See 75FR at 64900. On             visibility protection. With regard to
                                                condensable particulate matter. In that                 January 22, 2013, the D.C. Circuit vacated and          section 110(a)(2)(J), this proposed action
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                                                action, EPA amended the definition of                   remanded to EPA the portions of 50 CFR 51.166 and       only addresses North Carolina’s
                                                ‘‘regulated NSR pollutant’’ to remove an                52.21 addressing the PM2.5 SILs and also vacated
                                                                                                        the parts of the rule that established the PM2.5 SMC.
                                                                                                                                                                infrastructure SIP submittals for PSD.
                                                inadvertent general requirement of the                  On December 9, 2013 (78 FR 73698), EPA took final          Regarding the PSD elements of
                                                2008 NSR PM2.5 Rule to include the                      action amending its regulations to remove the PM2.5     sections 110(a)(2)(C) and (J), EPA
                                                condensable portion of PM when                          SILs and SMC provisions from the PSD regulations.       interprets the CAA to require each state
                                                                                                        However, since North Carolina’s October 17, 2017,
                                                measuring emissions-related indicators                  submittal does not include SILs or SMC, these
                                                                                                                                                                to make, for each new or revised
                                                of ‘‘PM emissions’’ in the context of the               regulatory provisions are not relevant to this          NAAQS, an infrastructure SIP submittal
                                                NSR regulations. Under the revised                      proposed action.                                        that demonstrates that the state has a


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                                                28794                   Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules

                                                complete PSD permitting program                         EPA regulations. Because EPA proposes                  infrastructure SIP submittals (i.e., CAA
                                                meeting the current requirements for all                to approve North Carolina’s SIP                        sections 110(a)(2)(C), 110(a)(2)(D)(i)(II),
                                                regulated NSR pollutants. The                           revisions for the PSD program, it is also              and 110(a)(2)(J)) for the 1997 Annual
                                                requirements of section                                 proposing approval of the October 17,                  and 24-hour PM2.5, 2006 24-hour PM2.5,
                                                110(a)(2)(D)(i)(II) (prong 3) may also be               2017, submittal for the PSD                            2008 lead, 2008 8-hour ozone, 2010 SO2,
                                                satisfied by demonstrating that the air                 infrastructure SIP requirements of                     2010 NO2 and the 2012 Annual PM2.5
                                                agency has a complete PSD permitting                    sections 110(a)(2)(C), 110(a)(2)(D)(i)(II),            NAAQS. If EPA finalizes this proposed
                                                program correctly addressing all                        and 110(a)(2)(J) for the 2008 lead                     approval action, that final action will
                                                regulated NSR pollutants.                               NAAQS, 2008 ozone NAAQS, 2010 SO2                      remove EPA’s obligation under section
                                                  As described in EPA’s guidance dated                  NAAQS, 2010 NO2 NAAQS, and 1997,                       110(c) to promulgate a FIP to address
                                                September 13, 2013,13 an infrastructure                 2006 and 2012 PM2.5 NAAQS.15                           the PM2.5 increments requirements of
                                                SIP submittal should demonstrate that                                                                          EPA’s 2010 PSD PM2.5 Rule PSD and the
                                                                                                        VI. Incorporation by Reference
                                                one or more air agencies has the                                                                               related PSD elements for the above
                                                authority to implement a                                   In this rule, EPA is proposing to                   listed infrastructure SIPs.
                                                comprehensive PSD permit program                        include in a final EPA rule regulatory
                                                under CAA title I part C for all PSD-                   text that includes incorporation by                    VIII. Statutory and Executive Order
                                                subject sources located in areas that are               reference. In accordance with                          Reviews
                                                designated attainment or unclassifiable                 requirements of 1 CFR 51.5, EPA is                        Under the CAA, the Administrator is
                                                for one or more NAAQS. EPA interprets                   proposing to incorporate by reference                  required to approve a SIP submission
                                                the PSD elements to require that a                      North Carolina’s regulations 15A NCAC                  that complies with the provisions of the
                                                state’s infrastructure SIP submittal for a              02D .0530, entitled ‘‘Prevention of                    Act and applicable Federal regulations.
                                                particular NAAQS demonstrate that the                   Significant Deterioration,’’ effective                 See 42 U.S.C. 7410(k); 40 CFR 52.02(a).
                                                state has a complete PSD permitting                     September 1, 2017. EPA has made, and                   Thus, in reviewing SIP submissions,
                                                program in place covering all regulated                 will continue to make, these documents                 EPA’s role is to approve state choices,
                                                NSR pollutants. A state’s PSD                           generally available through                            provided that they meet the criteria of
                                                permitting program is complete for the                  www.regulations.gov and in hard copy                   the CAA. This action merely proposes to
                                                PSD elements if EPA has already                         at the EPA Region 4 office (see the                    approve state law as meeting Federal
                                                approved or is simultaneously                           ADDRESSES section of this preamble for                 requirements and does not impose
                                                approving the state’s implementation                    more information).                                     additional requirements beyond those
                                                plan with respect to all structural PSD                 VII. Proposed Actions                                  imposed by state law. For that reason,
                                                requirements 14 that are due under the                                                                         these proposed actions:
                                                                                                           EPA is proposing to approve changes                    • Are not a significant regulatory
                                                EPA regulations or the CAA on or before
                                                                                                        to the North Carolina SIP, provided by                 action subject to review by the Office of
                                                the date of EPA’s proposed action on the
                                                                                                        the NC DEQ, to EPA on October 17,                      Management and Budget under
                                                infrastructure SIP submittal.
                                                  On September 14, 2016, EPA partially                  2017. These changes modify North                       Executive Orders 12866 (58 FR 51735,
                                                approved and partially disapproved the                  Carolina’s NSR permitting regulations                  October 4, 1993) and 13563 (76 FR 3821,
                                                PSD elements of North Carolina’s                        codified at 15A 02D .0530—Prevention                   January 21, 2011);
                                                infrastructure SIP submittals for the                   of Significant Deterioration and include                  • Are not an Executive Order 13771
                                                following NAAQS: 1997 Annual and 24-                    the adoption of some federal                           (82 FR 9339, February 2, 2017)
                                                hour PM2.5; 2006 24-hour PM2.5; 2008                    requirements respecting implementation                 regulatory action because SIP approvals
                                                lead; 2008 8-hour ozone; 2010 NO2;                      of the PM2.5 NAAQS through the NSR                     are exempted under Executive Order
                                                2010 SO2; and 2012 Annual PM2.5. See                    permitting program. Specifically, EPA is               12866;
                                                81 FR 63107. The partial disapproval                    proposing to approve North Carolina’s                     • Do not impose an information
                                                was limited to the PM2.5 increment                      October 17, 2017, SIP submittal as it                  collection burden under the provisions
                                                requirements of the 2010 PM2.5 Rule for                 relates to the requirements to comply                  of the Paperwork Reduction Act (44
                                                these infrastructure SIP submittals.                    with EPA’s 2010 PSD PM2.5 Rule. EPA                    U.S.C. 3501 et seq.);
                                                North Carolina submitted its October 17,                also notes that North Carolina’s                          • Are certified as not having a
                                                2017, SIP revision to EPA to correct the                incorporation by reference of EPA’s PSD                significant economic impact on a
                                                deficiencies in the State’s PSD                         regulations as of July 1, 2014, includes               substantial number of small entities
                                                permitting program, and, as previously                  EPA’s amendment to the definition of                   under the Regulatory Flexibility Act (5
                                                discussed, EPA is proposing to approve                  ‘‘regulated NSR pollutant’’ concerning                 U.S.C. 601 et seq.);
                                                this SIP revision. If EPA’s proposed                    condensable PM promulgated on                             • Do not contain any unfunded
                                                action is finalized, North Carolina’s SIP               October 25, 2012.                                      mandate or significantly or uniquely
                                                                                                           If EPA finalizes all of the actions                 affect small governments, as described
                                                will include a complete PSD program
                                                                                                        proposed in this notice, the version of                in the Unfunded Mandates Reform Act
                                                that addresses all structural PSD
                                                                                                        15A NCAC 02D .0530 (PSD) that became                   of 1995 (Pub. L. 104–4);
                                                requirements due under the CAA and
                                                                                                        effective in the State on September 1,                    • Do not have Federalism
                                                   13 EPA’s September 13, 2013, guidance, titled
                                                                                                        2017, will be incorporated into North                  implications as specified in Executive
                                                ‘‘Guidance on Infrastructure State Implementation       Carolina’s SIP. As a result of the                     Order 13132 (64 FR 43255, August 10,
                                                Plan (SIP) Elements under Clean Air Act Sections        proposed approval of North Carolina’s                  1999);
                                                110(a)(1) and 110(a),’’ provides advice on the          October 17, 2017, SIP submittal, EPA is                   • Are not an economically significant
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                                                development of infrastructure SIPs for the 2008
                                                ozone NAAQS, the 2010 nitrogen dioxide NAAQS,
                                                                                                        also proposing to approve portions of                  regulatory action based on health or
                                                the 2010 sulfur dioxide NAAQS, and the 2012 PM2.5       the PSD elements of North Carolina’s                   safety risks subject to Executive Order
                                                NAAQS, as well as infrastructure SIPs for new or                                                               13045 (62 FR 19885, April 23, 1997);
                                                revised NAAQS promulgated in the future.                  15 EPA has already approved or will consider in
                                                                                                                                                                  • Are not a significant regulatory
                                                   14 Structural PSD program provisions include         separate actions all other elements from North         action subject to Executive Order 13211
                                                provisions necessary for the PSD program to             Carolina infrastructure SIP submissions related to
                                                address all regulated sources and regulated             the 2008 lead, 2008 8-hour ozone, 2010 NO2, 2010       (66 FR 28355, May 22, 2001);
                                                pollutants but do not include provisions under 40       SO2 NAAQS, and 1997, 2006 and 2012 PM2.5                  • Are not subject to requirements of
                                                CFR 51.166 that are considered optional.                NAAQS.                                                 Section 12(d) of the National


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                                                                         Federal Register / Vol. 83, No. 120 / Thursday, June 21, 2018 / Proposed Rules                                                  28795

                                                Technology Transfer and Advancement                     Barbara County Air Pollution Control                   IV. Statutory and Executive Order Reviews
                                                Act of 1995 (15 U.S.C. 272 note) because                District (‘‘Santa Barbara County APCD’’)               I. Background Information
                                                application of those requirements would                 is the designated COA. The intended
                                                be inconsistent with the CAA; and                       effect of approving the OCS                               On September 4, 1992, the EPA
                                                  • Do not provide EPA with the                         requirements for the Santa Barbara                     promulgated 40 CFR part 55,1 which
                                                discretionary authority to address, as                  County APCD is to regulate emissions                   established requirements to control air
                                                appropriate, disproportionate human                     from OCS sources in accordance with                    pollution from OCS sources to attain
                                                health or environmental effects, using                  the requirements onshore. The change                   and maintain federal and state ambient
                                                practicable and legally permissible                     to the existing requirements discussed                 air quality standards and to comply
                                                methods, under Executive Order 12898                    below is proposed to be incorporated by                with the provisions of part C of title I
                                                (59 FR 7629, February 16, 1994).                        reference into the Code of Federal                     of the Act. Part 55 applies to all OCS
                                                  The SIP is not approved to apply on                   Regulations and listed in the appendix                 sources offshore of the states except
                                                any Indian reservation land or in any                   to the OCS air regulations.                            those located in the Gulf of Mexico west
                                                other area where EPA or an Indian tribe                 DATES: Any comments must arrive by
                                                                                                                                                               of 87.5 degrees’ longitude. Section 328
                                                has demonstrated that a tribe has                       July 23, 2018.                                         of the Act requires that for such sources
                                                jurisdiction. In those areas of Indian                                                                         located within 25 miles of a state’s
                                                                                                        ADDRESSES: Submit your comments,
                                                country, the rule does not have tribal                                                                         seaward boundary, the requirements
                                                                                                        identified by Docket ID No. EPA–R09–
                                                implications as specified by Executive                                                                         shall be the same as would be
                                                                                                        OAR–2018–0366 at http://
                                                Order 13175 (65 FR 67249, November 9,                                                                          applicable if the sources were located in
                                                                                                        www.regulations.gov, or via email to
                                                                                                                                                               the COA. Because the OCS requirements
                                                2000), nor will it impose substantial                   Christine Vineyard, at
                                                                                                                                                               are based on onshore requirements, and
                                                direct costs on tribal governments or                   vineyard.christine@epa.gov. For
                                                                                                                                                               onshore requirements may change,
                                                preempt tribal law.                                     comments submitted at Regulations.gov,
                                                                                                                                                               section 328(a)(1) requires that the EPA
                                                List of Subjects in 40 CFR Part 52                      follow the online instructions for                     update the OCS requirements as
                                                                                                        submitting comments. Once submitted,                   necessary to maintain consistency with
                                                  Environmental protection, Air                         comments cannot be edited or removed
                                                pollution control, Incorporation by                                                                            onshore requirements.
                                                                                                        from Regulations.gov. For either manner                   Pursuant to § 55.12 of the OCS rule,
                                                reference, Intergovernmental relations,                 of submission, the EPA may publish any                 consistency reviews will occur (1) at
                                                Lead, Nitrogen dioxide, Ozone,                          comment received to its public docket.                 least annually; (2) upon receipt of a
                                                Particulate matter, Reporting and                       Do not submit electronically any                       Notice of Intent under § 55.4; or (3)
                                                recordkeeping requirements, Sulfur                      information you consider to be                         when a state or local agency submits a
                                                oxides.                                                 Confidential Business Information (CBI)                rule to the EPA to be considered for
                                                   Authority: 42 U.S.C. 7401 et seq.                    or other information whose disclosure is               incorporation by reference in part 55.
                                                  Dated: June 12, 2018.
                                                                                                        restricted by statute. Multimedia                      This proposed action is being taken in
                                                                                                        submissions (audio, video, etc.) must be               response to the submittal of
                                                Onis ‘‘Trey’’ Glenn, III,
                                                                                                        accompanied by a written comment.                      requirements by the Santa Barbara
                                                Regional Administrator, Region 4.                       The written comment is considered the                  County APCD. Public comments
                                                [FR Doc. 2018–13356 Filed 6–20–18; 8:45 am]             official comment and should include                    received in writing within 30 days of
                                                BILLING CODE 6560–50–P                                  discussion of all points you wish to                   publication of this document will be
                                                                                                        make. The EPA will generally not                       considered by the EPA before
                                                                                                        consider comments or comment                           publishing a final rule. Section 328(a) of
                                                ENVIRONMENTAL PROTECTION                                contents located outside of the primary                the Act requires that the EPA establish
                                                AGENCY                                                  submission (i.e. on the web, cloud, or                 requirements to control air pollution
                                                                                                        other file sharing system). For                        from OCS sources located within 25
                                                40 CFR Part 55
                                                                                                        additional submission methods, please                  miles of states’ seaward boundaries that
                                                [EPA–R09–OAR–2018–0366; FRL–9979–                       contact the person identified in the FOR               are the same as onshore requirements.
                                                36—Region 9]                                            FURTHER INFORMATION CONTACT section.                   To comply with this statutory mandate,
                                                                                                        For the full EPA public comment policy,                the EPA must incorporate applicable
                                                Outer Continental Shelf Air                             information about CBI or multimedia
                                                Regulations; Consistency Update for                                                                            onshore rules into part 55 as they exist
                                                                                                        submissions, and general guidance on                   onshore. This limits the EPA’s
                                                California                                              making effective comments, please visit                flexibility in deciding which
                                                AGENCY:  Environmental Protection                       http://www.epa.gov/dockets/                            requirements will be incorporated into
                                                Agency (EPA)                                            commenting-epa-dockets.                                part 55 and prevents the EPA from
                                                ACTION: Proposed rule.                                  FOR FURTHER INFORMATION CONTACT:                       making substantive changes to the
                                                                                                        Christine Vineyard, Air Division (Air-4),              requirements it incorporates. As a
                                                SUMMARY:   The Environmental Protection                 U.S. EPA Region 9, 75 Hawthorne                        result, the EPA may be incorporating
                                                Agency (EPA) is proposing to update a                   Street, San Francisco, CA 94105, (415)                 rules into part 55 that do not conform
                                                portion of the Outer Continental Shelf                  947–4125, vineyard.christine@epa.gov.                  to all of the EPA’s state implementation
                                                (OCS) Air Regulations. Requirements                     SUPPLEMENTARY INFORMATION:                             plan (SIP) guidance or certain
                                                applying to OCS sources located within                                                                         requirements of the Act. Consistency
                                                25 miles of states’ seaward boundaries                  Table of Contents
                                                                                                                                                               updates may result in the inclusion of
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                                                must be updated periodically to remain                  I. Background Information                              state or local rules or regulations into
                                                consistent with the requirements of the                 II. The EPA’s Evaluation and Proposed                  part 55, even though the same rules may
                                                corresponding onshore area (COA), as                          Action
                                                mandated by section 328(a)(1) of the                       A. What rule was submitted to update 40               1 The reader may refer to the Notice of Proposed
                                                                                                              CFR part 55?                                     Rulemaking, December 5, 1991 (56 FR 63774), and
                                                Clean Air Act (‘‘the Act’’). The portion                   B. What criteria were used to evaluate the          the preamble to the final rule promulgated
                                                of the OCS air regulations that is being                      rule submitted to update 40 CFR part 55?         September 4, 1992 (57 FR 40792) for further
                                                updated pertains to the requirements for                   C. Proposed Action and Public Comment               background and information on the OCS
                                                OCS sources for which the Santa                         III. Incorporation by Reference                        regulations.



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Document Created: 2018-06-21 01:23:28
Document Modified: 2018-06-21 01:23:28
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionProposed Rules
ActionProposed rule.
DatesComments must be received on or before July 23, 2018.
ContactJoel Huey of the Air Planning and Implementation Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW, Atlanta, Georgia 30303-8960. Mr. Huey can be reached by telephone at (404) 562-9104 or via electronic mail at [email protected]
FR Citation83 FR 28789 
CFR AssociatedEnvironmental Protection; Air Pollution Control; Incorporation by Reference; Intergovernmental Relations; Lead; Nitrogen Dioxide; Ozone; Particulate Matter; Reporting and Recordkeeping Requirements and Sulfur Oxides

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