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EPA/OAR RIN: 2060-AU58 Publication ID: Fall 2020 
Title: Hourly Emissions Increase Test for the New Source Review Program 
Abstract:

In August 2018, EPA proposed to revise the New Source Review (NSR) program in conjunction with the Affordable Clean Energy (ACE) rule to make available to states an NSR applicability test for electric generating unit (EGU) modifications based on hourly emissions. Under the proposed NSR revisions, if a physical or operational change would not increase the hourly emissions of the EGU, it would not trigger major NSR; however, if the EGU's hourly emissions would increase after the change, then the source's projected annual emissions increase would be reviewed using the existing NSR applicability test. These NSR revisions are no longer part of the ACE rule, so this action is intended to finalize the NSR revisions through a separate rulemaking.

 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: Deregulatory 
CFR Citation: 40 CFR 51    40 CFR 52   
Legal Authority: 42 U.S.C. 7401 et seq.   
Legal Deadline:  None
Timetable:
Action Date FR Cite
Final Rule  03/00/2021 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, State, Tribal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Dave Svendsgaard
Environmental Protection Agency
Office of Air and Radiation
C504-03,
Research Triangle Park, NC 27711
Phone:919 541-2380
Fax:919 541-5509
Email: svendsgaard.dave@epa.gov

Raj Rao
Environmental Protection Agency
Office of Air and Radiation
C504-03,
Research Triangle Park, NC 27711
Phone:919 541-5344
Email: rao.raj@epa.gov