[Federal Register Volume 85, Number 140 (Tuesday, July 21, 2020)]
[Proposed Rules]
[Pages 44027-44031]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2020-15720]



[[Page 44027]]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R04-OAR-2016-0655; FRL-10012-46-Region 4]


Air Plan Approval; SC and TN: Minimum Reporting Requirements in 
SIPs

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: The Environmental Protection Agency (EPA) is proposing to 
approve a portion of State Implementation Plan (SIP) revisions for 
South Carolina submitted by the South Carolina Department of Health and 
Environmental Control (SC DHEC) through letters dated August 8, 2014, 
and August 12, 2015, and a portion of a SIP revision for Tennessee 
submitted by the Tennessee Department of Environment and Conservation 
(TDEC) through a letter dated February 17, 2014. The South Carolina SIP 
revisions modify a provision that requires fossil fuel-fired steam 
generators having a heat input capacity of more than 250 million 
British thermal units (Btu) per hour (Btu/hr) to submit continuous 
opacity monitoring reports required by the SIP on a quarterly basis. 
This provision is being modified to allow such reporting on a 
semiannual basis instead. The South Carolina SIP does not contain any 
other continuous opacity monitoring report requirements for the subject 
sources, and this rule revision has no impact on any federal reporting 
requirements. Specifically, the South Carolina SIP revisions do not 
override any other reporting requirements that might continue to 
require more frequent reporting. The Tennessee SIP revision would add a 
new provision that requires any source subject to the State's title V 
operating permit program to submit emission monitoring reports required 
by the SIP on a semiannual basis rather than on a quarterly basis. Much 
like the South Carolina SIP revisions, the Tennessee SIP revision has 
no impact on any federal reporting requirements and does not override 
any other reporting requirements that might continue to require more 
frequent reporting. EPA is proposing to approve these changes to the 
South Carolina and Tennessee SIPs because they are consistent with 
recent proposed changes to federal regulations and because EPA has 
preliminarily determined that the South Carolina and Tennessee SIP 
revisions are consistent with the Clean Air Act (CAA or Act).

DATES: Written comments must be received on or before July 21, 2020.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R04-
OAR-2016-0655 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 www2.epa.gov/dockets/commenting-epa-dockets.

FOR FURTHER INFORMATION CONTACT: Joel Huey, Air Planning and 
Implementation Branch, Air and Radiation Division, U.S. Environmental 
Protection Agency, Region 4, 61 Forsyth Street SW, Atlanta, Georgia 
30303-8960, or Sean Lakeman, Air Regulatory Management Section, Air 
Planning and Implementation Branch, Air and Radiation 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]. Mr. Lakeman 
can be reached by telephone at (404) 562-9043 or via electronic mail at 
[email protected].

SUPPLEMENTARY INFORMATION: 

I. Historical and Regulatory Background for Appendix P

    The following discussion provides a brief historical and regulatory 
background associated with Appendix P to 40 CFR part 51 (Appendix P), 
which is related to the South Carolina and Tennessee SIP revisions 
being proposed for approval in this rulemaking.

A. SIPs and EPA's Regulations at 40 CFR Part 51

    The SIP is a state's plan identifying how the state will meet 
certain CAA requirements, such as how to attain and maintain compliance 
with the national ambient air quality standards (NAAQS). Section 110 of 
the CAA requires each state to submit a SIP for EPA approval, and EPA 
is required to evaluate and either approve or disapprove the state's 
submission. The SIP (including revisions over time) contains control 
measures and strategies developed through a public process and formally 
adopted by the state. Pursuant to CAA section 110, EPA established 
procedural requirements applicable to all states concerning the 
preparation, adoption, and submission of SIPs and SIP revisions. These 
regulations, initially promulgated in 1971, comprise 40 CFR part 51, 
``Requirements for Preparation, Adoption, and Submittal of 
Implementation Plans.'' Like the SIPs themselves, these regulations are 
periodically revised. Of particular relevance to this proposed 
rulemaking, CAA section 110(a)(2)(F) governs requirements associated 
with stationary source monitoring and reporting in the context of SIPs.

B. Part 51 Requirement for Continuous Monitoring Systems

    In 1974, EPA proposed to amend its SIP preparation regulations 
under 40 CFR part 51 to require that SIPs contain legally enforceable 
procedures mandating owners or operators of stationary sources to 
install equipment to monitor pollutant emissions on a continuous basis 
and to report the data obtained.\1\ As was explained in the 1974 notice 
of proposed rulemaking (NPRM), the regulations already required states 
to have the legal authority to require such monitoring and recording. 
The notice stated, however, that at the time that EPA's SIP preparation 
regulations were originally published, ``[t]he Agency believed that the 
state-of-the-art was such that it was not prudent to require existing 
sources to install [continuous monitoring] devices.'' EPA went on to 
explain that emission monitoring techniques had continued to develop 
since that time and, as a result of that work, the Agency believed that 
for certain sources, including existing ones, ``general specifications 
for accuracy, reliability and durability can be established for 
continuous emission monitors . . .'' Accordingly, the Agency proposed 
to amend 40 CFR part 51 by adding a new requirement that would 
``require States to revise their implementation plans to require 
sources to install monitoring instruments and to

[[Page 44028]]

report the resulting data to the appropriate State Agency.''
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    \1\ ``Requirements for the Preparation, Adoption and Submittal 
of Implementation Plans: Emission Monitoring of Stationary Sources; 
Proposed rules,'' 39 FR 32871 (September 11, 1974).
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    In choosing the types of sources and pollutants listed in Appendix 
P, EPA selected four source categories that would be covered by 
continuous emission monitoring requirements and performance testing 
methods simultaneously proposed under new source performance standards 
(NSPS) promulgated pursuant to section 111 of the CAA (i.e., under part 
60).\2\ The four source categories subject to Appendix P are fossil 
fuel-fired steam generators, nitric acid plants, sulfuric acid plants, 
and fluid bed catalytic cracking unit catalyst regenerators at 
petroleum refineries. EPA even noted in the Appendix P proposal that 
the SIP rulemaking was very closely connected with the NSPS rulemaking. 
EPA urged states and other affected parties to consider the companion 
NSPS proposal as part of the Appendix P proposal and to direct comments 
to the relevant portions of both proposals.\3\
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    \2\ 39 FR 32871 at 32872; see also ``Standards of Performance 
for New Stationary Sources: Emission Monitoring Requirements and 
Performance Testing Methods; Proposed rules,'' 39 FR 32852 
(September 11, 1974).
    \3\ See id. at 32872.
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    In 1975, EPA promulgated Appendix P on the same day it promulgated 
the final NSPS monitoring and performance requirements under 40 CFR 
part 60.4 5 In the final amendments to 40 CFR part 51, EPA 
expanded the SIP continuous emission monitoring requirements at 40 CFR 
51.19 (now 40 CFR 51.214) to require states to revise their SIPs to 
include legally enforceable procedures for certain specified categories 
of existing stationary sources to monitor emissions on a continuous 
basis. The Agency explained that requiring ``a sound program of 
continuous emission monitoring and reporting'' would more fully 
implement CAA sections 110(a)(2)(F)(ii) and (iii). Section 51.19(e)(4) 
(now Sec.  51.214(e)) specifies that the SIP must ``require the source 
owner or operator to submit information relating to emissions and 
operation of the emission monitors to the State to the extent described 
in appendix P at least as frequently as described therein.'' Each state 
is required to include in its SIP, as a minimum, all of the continuous 
emission monitoring and recording requirements set forth in Appendix P. 
See Appendix P, paragraph 1.0.
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    \4\ ``Part 51--Requirements for the Preparation, Adoption and 
Submittal of Implementation Plans: Emission Monitoring of Stationary 
Sources,'' 40 FR 46240 (October 6, 1975).
    \5\ ``Part 60--Standards of Performance for New Stationary 
Sources,'' 40 FR 46250 (October 6, 1975).
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    With respect to reporting requirements, Appendix P specifies under 
paragraph 4.1 that the SIP ``shall require owners or operators of 
facilities required to install continuous monitoring systems to submit 
a written report of excess emissions for each calendar quarter and the 
nature and cause of the excess emissions, if known.'' At the time of 
promulgation in 1975, this specification in Appendix P of quarterly 
reporting as the minimum frequency was by design aligned with the 
quarterly reporting frequency generally specified for new sources under 
Part 60. This ``report of excess emissions,'' like the corollary 
``excess emissions and monitoring systems performance report'' 
specified under 40 CFR part 60 (see Sec.  60.7(c)), should be submitted 
by the facility owner or operator whether or not excess emissions 
occurred within the reporting period (see Appendix P, paragraph 4.5).
    In 1999, EPA promulgated the ``Recordkeeping and Reporting Burden 
Reduction, Final amendments,'' 64 FR 7457 (February 12, 1999) (Burden 
Reduction Rule), which, among other things, revised the NSPS reporting 
frequency, with a few exceptions, to semiannually for nearly all source 
categories. As noted in the NPRM for the 1999 rule,\6\ EPA's most 
recent NSPS and National Emissions Standards for Hazardous Air 
Pollutants (NESHAP) rules had moved almost exclusively to semiannual 
reporting. In addition, EPA's operating permit rules at 40 CFR part 70, 
promulgated in 1992,\7\ require CAA title V operating permit (title V) 
holders to submit any required monitoring reports at least every six 
months and to clearly identify all instances of deviations from permit 
requirements in such reports. See 40 CFR 70.6(a)(3)(iii)(A) and 40 CFR 
71.6(a)(3)(iii)(A).
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    \6\ ``Recordkeeping and Reporting Burden Reduction; Proposed 
revisions to rules and notice of public hearing,'' 61 FR 47840 
(September 11, 1996). See 61 FR 47844/2 and 64 FR 7457 at 7458/3.
    \7\ See 57 FR 32250 (July 21, 1992).
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C. EPA's Proposed Revisions to Appendix P Concerning Minimum Emission 
Reporting Requirements in SIPs

    In a NPRM published on February 21, 2020 (hereinafter referred to 
as the February 21, 2020, NPRM, EPA proposed updates to Appendix P. See 
85 FR 10121. In particular, the proposed amendments to Appendix P would 
revise the minimum frequency for submitting reports of excess emissions 
from ``each calendar quarter'' to ``twice per year at 6-month 
intervals.'' If EPA finalizes these amendments as proposed, states will 
be able to make similar revisions in their SIPs. States will be able to 
establish semiannual reporting as the minimum frequency for affected 
sources to submit reports of excess emissions to the state. This aligns 
with what EPA has generally established as the reporting frequency 
applicable to the Appendix P source categories under more recently 
updated regulations. The comment period for EPA's proposed revisions 
closed on March 23, 2020. EPA received no adverse comments on the 
February 21, 2020, NPRM. Both South Carolina and Tennessee and the 
American Petroleum Institute submitted comments in support of it.

II. EPA's Proposal on the South Carolina and Tennessee Submittals

    On August 8, 2014, and August 12, 2015, SC DHEC submitted revisions 
to the South Carolina SIP concerning the frequency with which fossil 
fuel-fired steam generators are required to submit continuous opacity 
monitoring reports to the State. On December 30, 2016, SC DHEC 
submitted additional information on this topic in response to questions 
raised by EPA Region 4. On February 17, 2014, TDEC submitted a revision 
to the Tennessee SIP concerning the frequency with which major sources 
subject to the title V operating permit program are required to report 
excess emissions data to the State. On July 16, 2015, TDEC submitted 
additional information on this topic in response to questions raised by 
EPA Region 4. These SIP revisions would change certain existing 
quarterly emission reporting requirements to semiannual requirements 
for affected facilities. Additionally, these SIP revisions do not 
purport to override other SIP provisions which may require quarterly, 
or more frequent, reporting.
    In their submittals, SC DHEC and TDEC note that most of the NSPS of 
40 CFR part 60 and NESHAP of 40 CFR parts 61 and 63 require semiannual 
reporting of emissions data. SC DHEC and TDEC also note that the title 
V permitting program under 40 CFR part 70 allows semiannual reporting 
of any required monitoring. See 40 CFR 70.6(a)(3)(iii)(A). In addition, 
SC DHEC and TDEC emphasize the significance of the amendments to 
federal rules that EPA finalized in the 1999 Burden Reduction Rule. 
Through that rulemaking, as discussed above, EPA changed the frequency 
of required emission data reporting from quarterly to semiannually for 
nearly all NSPS categories, consistent with the most recent NSPS and 
NESHAP rules

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promulgated at that time, and for the general provisions for the NSPS 
and NESHAP programs. SC DHEC and TDEC assert, therefore, that quarterly 
reporting is inconsistent with most federal reporting requirements and 
overly burdensome to industry. Both States assert that modifying 
certain SIP provisions to require semiannual rather than quarterly 
reporting would improve implementation of their air quality programs by 
simplifying and reducing the reporting burden on sources.
    As noted in section 1.B, above, Paragraph 1.1 of Appendix P applies 
to fossil fuel-fired steam generators, nitric acid plants, sulfuric 
acid plants, and fluid bed catalytic cracking unit catalyst 
regenerators at petroleum refineries. Appendix P requires sources in 
these categories to install, calibrate, operate, and maintain all 
monitoring equipment necessary for continuously monitoring the 
pollutants specified and to begin monitoring and recording the relevant 
data within 18 months of plan approval or promulgation. With regard to 
emissions data reporting requirements, paragraph 4.1 of Appendix P 
provides that the state plan must ``require owners or operators of 
facilities required to install continuous monitoring systems to submit 
a written report of excess emissions for each calendar quarter and the 
nature and cause of the excess emissions, if known.'' \8\ The SC DHEC 
and TDEC submittals would change the frequency of required emission 
reports for some facilities subject to Appendix P from quarterly to 
semiannually. As such, these submittals are inconsistent with the 
current Appendix P requirement for affected facilities to submit a 
report of excess emissions for ``each calendar quarter.'' However, as 
mentioned above, on February 21, 2020, EPA proposed to change the 
Appendix P provision regarding the minimum frequency for submitting 
reports of excess emissions from ``each calendar quarter'' to ``twice 
per year at 6-month intervals.'' If EPA finalizes the February 21, 
2020, NPRM as proposed, the South Carolina SIP revision and the 
Tennessee SIP revision will no longer be in conflict with federal 
requirements.
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    \8\ The South Carolina SIP requires sources subject to the 
State's opacity monitoring requirements to submit to the State 
reports of excess opacity measurements, together with their nature 
and cause. See SC Regulation 61-62.5 Standard 1, Section IV.B.1.a. 
The Tennessee SIP requires owners or operators of facilities of the 
four Appendix P source categories to submit a written report of 
excess emissions for each calendar quarter and the nature and cause 
of the excess emissions, if known. See TN Rule 1200-03-
10-.02(2)(b)1.
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    Section 110(l) of the CAA provides that EPA shall not approve a 
revision to a plan if the revision would interfere with any applicable 
requirement concerning attainment and reasonable further progress, or 
any other applicable requirement of the CAA. As described further in 
sections III and IV below, the South Carolina and Tennessee SIP 
revisions that are the subject of the proposed actions will not 
override any more stringent reporting requirements,\9\ will not cause 
any changes in allowable pollutant emissions, and will not otherwise 
interfere with the States' abilities to attain and maintain the NAAQS 
or interfere with any other applicable CAA requirement. Furthermore, 
these revisions will not interfere with the revised Appendix P because 
they will not conflict with the minimum reporting requirements 
contained therein, and EPA does not intend to take final action on 
these revisions unless and until EPA takes final action to revise 
Appendix P as proposed in the February 21, 2020, NPRM.
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    \9\ To the extent any sources are required by other CAA 
requirements to submit continuous opacity monitoring reports more 
frequently, those requirements will continue to apply and will not 
be impacted by these proposed revisions.
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III. EPA's Analysis of the South Carolina SIP Submittals

    The August 8, 2014, submittal from SC DHEC seeks to make multiple 
changes to the State's implementation plan, including Regulation 61-
62.5 Standard 1, Section IV.B, ``Continuous Opacity Monitor Reporting 
Requirements.'' \10\ Section IV.B applies to the owner or operator of 
any fossil fuel-fired steam generator of more than 250 million Btu/hr 
of heat input. South Carolina's change to Section IV.B reduces the 
required frequency of the State's continuous opacity monitoring data 
reporting requirement for these units from quarterly to semiannually. 
The change also makes some stylistic edits, such as changing ``Section 
(IV)(A)'' to ``Section IV.A'' and ``semiannual'' to ``semi-annual.'' 
The August 12, 2015, submittal from SC DHEC made changes to the August 
8, 2014, submittal and contained other, new changes to the SIP as well. 
The only change to Section IV.B included in the August 12, 2015, 
submittal changes the word ``semiannual'' to ``semi-annual'' in the 
last sentence of Section IV.B.1 and in the first sentence of Section 
IV.B.3. In these actions, EPA is only proposing to act on the changes 
to Regulation 61-62.5 Standard 1, Section IV.B. These revisions do not 
cause any changes to allowable pollutant emissions under the South 
Carolina SIP.
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    \10\ EPA has taken action or will act on the remainder of SC 
DHEC's submittals in a separate action.
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    EPA has reviewed South Carolina's revisions to Regulation 61-62.5 
Standard 1, Section IV.B and is proposing to determine that this change 
is approvable. If EPA finalizes the changes proposed in the February 
21, 2020, NPRM, the proposed SIP revisions will not conflict with the 
minimum reporting requirements of the revised Appendix P. In addition, 
while Regulation 61-62.5 Standard 1, Section IV.B, as proposed, 
requires fossil fuel-fired steam generators having a heat input 
capacity of more than 250 million Btu/hr to submit continuous opacity 
monitor reports to the State semiannually, subject facilities must 
continue to comply with any more stringent reporting obligations under 
any applicable federal or state rules. A SIP requirement for a 
semiannual monitoring report is consistent with EPA's part 70 
monitoring report requirement at 40 CFR 70.6(a)(3)(iii)(A). Also, as 
described in the 1999 Burden Reduction Rule, the EPA's experience with 
a variety of NSPS and NESHAP rulemakings covering industries of all 
types suggests that semiannual reporting provides sufficiently timely 
information to both ensure compliance and enable adequate enforcement 
of applicable requirements, while imposing less burden on the affected 
industry than would quarterly reporting.
    On the bases described above, EPA proposes to determine that 
submission of continuous opacity monitoring reports on a semiannual 
basis by owners or operators of fossil fuel-fired steam generators 
having a heat input capacity of more than 250 million Btu/hr will 
provide sufficiently timely information to ensure compliance and enable 
adequate enforcement of applicable requirements for the affected 
sources. Consequently, EPA is proposing to approve South Carolina's 
changes to Regulation 61-62.5 Standard 1, Section IV.B as outlined in 
this proposed rulemaking. EPA does not intend to take final action on 
South Carolina's SIP revisions related to Appendix P unless and until 
EPA takes final action to revise Appendix P as proposed in the February 
21, 2020, NPRM.

IV. EPA's Analysis of the Tennessee SIP Submittal

    On February 17, 2014, TDEC submitted a revision to Rule 1200-03-
10-.02, ``Monitoring of Source Emissions, Recording, and Reporting of 
the Same Are Required,'' by adding a new subparagraph (2)(d) which 
states: ``Any source located at a facility required to obtain a major 
source

[[Page 44030]]

operating permit in accordance with the provisions of paragraph (11) of 
Rule 1200-03-09-.02 may submit the reports required by this rule on a 
semi-annual basis.'' Paragraph (11) of Rule 1200-03-09-.02 is the State 
of Tennessee's title V operating permits program for major stationary 
sources, as approved under 40 CFR part 70. The State's rationale for 
the revision to Rule 1200-03-10-.02 is to allow sources subject to the 
continuous in-stack monitoring requirements and quarterly excess 
emission reporting requirements set forth in the rule to synchronize 
with the semiannual reporting requirements of their title V program (as 
required by 40 CFR 70.6(a)(3)(iii)(A)) and with other federal rules. 
This revision does not cause any changes in allowable pollutant 
emissions under the Tennessee SIP.
    EPA has reviewed Tennessee's change to Rule 1200-03-10-.02 and is 
proposing to determine that this change is approvable. If EPA finalizes 
the changes proposed in EPA's February 21, 2020, NPRM, the proposed SIP 
revisions will not conflict with the minimum reporting requirements of 
the revised Appendix P. In addition, while Rule 1200-03-10-.02, as 
proposed for revision, allows facilities subject to the State's title V 
operating permits program to submit emissions reports required by Rule 
1200-03-10-.02 to the State semiannually, sources must continue to 
comply with any other, more stringent reporting obligations under any 
applicable federal or state rules. A SIP requirement for a semiannual 
monitoring report is consistent with EPA's part 70 monitoring report 
requirement at 40 CFR 70.6(a)(3)(iii)(A). Also, as described in the 
1999 Burden Reduction Rule, the EPA's experience with a variety of NSPS 
and NESHAP rulemakings covering industries of all types suggests that 
semiannual reporting provides sufficiently timely information to both 
ensure compliance and enable adequate enforcement of applicable 
requirements, while imposing less burden on the affected industry than 
would quarterly reporting.
    On the bases described above, EPA proposes to determine that 
submission of reports required by the Tennessee SIP for owners or 
operators of facilities subject to the State's title V operating permit 
program on a semiannual basis will provide sufficiently timely 
information to ensure compliance and enable adequate enforcement of 
applicable requirements for the affected sources. Consequently, EPA is 
proposing to approve Tennessee's change to Rule 1200-03-10-.02 as 
outlined in this proposed rulemaking. EPA does not intend to take final 
action on this proposal to approve Tennessee's SIP revision related to 
Appendix P unless and until EPA takes final action to revise Appendix P 
as proposed in the February 21, 2020, NPRM.

V. Incorporation by Reference

    In this document, 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 the South Carolina Regulation 61-62.5 Standard 1, Section IV, 
``Opacity Monitoring Requirements,'' state effective June 26, 2015, 
which revises the quarterly reporting requirement to a semiannual 
requirement. Also, in accordance with requirements of 1 CFR 51.5, EPA 
is proposing to incorporate by reference the Tennessee Rule 1200-03-
10-.02, ``Monitoring of Source Emissions, Recording, and Reporting of 
the Same Are Required,'' state effective February 5, 2013, which 
revises the quarterly reporting requirement to a semiannual 
requirement. EPA has made, and will continue to make, these materials 
generally available through www.regulations.gov and at the EPA Region 4 
office (please contact the person identified in the FOR FURTHER 
INFORMATION CONTACT section of this preamble for more information).

VI. Proposed Actions

    EPA is proposing to approve a portion of South Carolina's August 8, 
2014, and August 12, 2015, SIP revisions to change Rule 61-62.5 
Standard 1, Section IV.B.1 to provide that the owner or operator of any 
fossil fuel-fired steam generators having a heat input capacity of more 
than 250 million Btu/hr shall submit a written continuous opacity 
monitor report to SC DHEC semiannually or more often if requested, thus 
revising the existing requirement to submit such reports on a quarterly 
basis. EPA is also proposing to approve Tennessee's February 17, 2014, 
SIP revision including a change to Rule 1200-03-10-.02 to add a new 
subparagraph (2)(d) which states: ``Any source located at a facility 
required to obtain a major source operating permit in accordance with 
the provisions of paragraph (11) of Rule 1200-03-09-.02 may submit the 
reports required by this rule on a semi-annual basis.'' This revision 
to the Tennessee SIP changes the existing SIP requirement for title V 
sources to submit monitoring reports required by Rule 1200-03-10-.02 to 
the State on a quarterly basis to a semiannual basis. EPA does not 
intend to take final action on South Carolina's and Tennessee's SIP 
revisions related to Appendix P unless and until EPA takes final action 
to revise Appendix P as proposed in the February 21, 2020, NPRM.

VII. 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. These actions merely 
propose to approve state law as meeting Federal requirements and do not 
impose additional requirements beyond those imposed by state law. For 
that reason, these proposed actions:
     Are not significant regulatory actions 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 Executive Order 13771 (82 FR 9339, February 2, 
2017) regulatory actions 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 economically significant regulatory actions based 
on health or safety risks subject to Executive Order 13045 (62 FR 
19885, April 23, 1997);
     Are not significant regulatory actions subject to 
Executive Order 13211 (66 FR 28355, May 22, 2001);
     Are not subject to requirements of Section 12(d) of the 
National 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).

[[Page 44031]]

    In addition, for Tennessee, 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. The rule does not 
have tribal implications and will not impose substantial direct costs 
on tribal governments or preempt tribal law as specified by Executive 
Order 13175 (65 FR 67249, November 9, 2000).
    For South Carolina, because this proposed action merely proposes to 
approve state law as meeting Federal requirements and does not impose 
additional requirements beyond those imposed by state law, this 
proposed action for the State of South Carolina does not have Tribal 
implications as specified by Executive Order 13175 (65 FR 67249, 
November 9, 2000). Therefore, this proposed action will not impose 
substantial direct costs on Tribal governments or preempt Tribal law. 
The Catawba Indian Nation (CIN) Reservation is located within the 
boundary of York County, South Carolina. Pursuant to the Catawba Indian 
Claims Settlement Act, S.C. Code Ann. 27-16-120 (Settlement Act), ``all 
state and local environmental laws and regulations apply to the 
[Catawba Indian Nation] and Reservation and are fully enforceable by 
all relevant state and local agencies and authorities.'' The CIN also 
retains authority to impose regulations applying higher environmental 
standards to the Reservation than those imposed by state law or local 
governing bodies, in accordance with the Settlement Act.

List of Subjects in 40 CFR Part 52

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

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

    Dated: July 15, 2020.
Mary Walker,
Regional Administrator, Region 4.
[FR Doc. 2020-15720 Filed 7-20-20; 8:45 am]
BILLING CODE 6560-50-P