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EPA/OAR RIN: 2060-AU39 Publication ID: Spring 2020 
Title: Revisions to Test Methods and Performance Specifications for Air Emission Sources 

This action finalizes corrections and updates to test methods and performance specifications for air emission sources under 40 CFR parts 51, 60, and 63. The revisions include corrections to testing provisions that contain inaccuracies and typographical errors, updates to outdated test methods, and the addition of alternative testing procedures to provide testers enhanced flexibility. For example, the incorrect chemical compound, sodium sulfite would be replaced with sodium nitrite in Method 7C. In Method 12, SW-846 methods would be added as alternative analytical procedures. The 2010 version of ASTM D2369 would be added to Method 24. Various sections of Performance Specification 9 are confusing and would be re-written to provide clarity. This action is developed every few years to keep rules up-to-date and to ensure that compliance testing and monitoring are done correctly.

Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
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 60    40 CFR 63   
Legal Authority: 42 U.S.C. 7401 et seq., Clean Air Act   
Legal Deadline:  None
Action Date FR Cite
NPRM  12/13/2019  84 FR 68069   
Final Rule  06/00/2020 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Lula Melton
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-02,
Research Triangle Park, NC 27711
Phone:919 541-2910
Fax:919 541-4511