Federal Register - May 12, 2021
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Source: Federal Register
25953
Federal Register / Vol. 86, No. 90 / Wednesday, May 12, 2021 / Rules and Regulations List of Subjects in 40 CFR Part 52
Environmental protection, Air pollution control, Carbon monoxide, Incorporation by reference, Intergovernmental relations, Nitrogen dioxide, Particulate matter, Reporting and recordkeeping requirements, Sulfur oxides, Volatile organic compounds.
Authority: 42 U.S.C. 7401 et seq.
2. In 52.2020, the table in paragraph c1 is amended by:
For the reasons stated in the preamble, the EPA amends 40 CFR part 52 as follows:
Title/subject
1. The authority citation for part 52
continues to read as follows:
Subpart NNPennsylvania
Dated: May 6, 2021.
Diana Esher, Acting Regional Administrator, Region III.
State citation
Section 121.1 after a third existing entry for Section 121.1;
b. Under Chapter 127Construction, Modification, Reactivation, and Operation of Sources, Subchapter E by revising the entries for Section 127.202, Section 127.203a, and Section 127.210.
The addition and revisions read as follows:
PART 52APPROVAL AND
PROMULGATION OF
IMPLEMENTATION PLANS
a. Under Chapter 121General Provisions by adding a fourth entry for
State effective date
52.2020
Identification of plan.
c
1
Additional explanation/ 52.2063
citation
EPA
approval date
Title 25Environmental Protection Article IIIAir Resources
Chapter 121General Provisions
Section 121.1
Definitions
12/21/19
5/12/21, insert Federal Register citation.
Revised definitions for major facility, regulated NSR pollutant, and significant to address 2016
PM2.5 Implementation Rule requirements.
Chapter 127Construction, Modification, Reactivation, and Operation of Sources
Subchapter ENew Source Review
Section 127.202
Effective date
12/21/19
5/12/21, insert Federal Register citation.
Revised to include VOC and ammonia as PM2.5 precursors.
Previous approval was July 13, 2012. Docket No.
EPAR03OAR20110924.
Section 127.203a
Applicability determination.
12/21/19
5/12/21, insert Federal Register citation.
Revised to include annual and 24-hour levels for significant air quality impacts for PM2.5.
Previous approval was July 13, 2012. Docket No.
EPAR03OAR20110924.
Section 127.210
Offset ratios
12/21/19
5/12/21, insert Federal Register citation.
Revised to include PM2.5 offset ratios for both VOC
and ammonia.
Previous approval was July 13, 2012. Docket No.
EPAR03OAR20110924.
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