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EPA/OAR RIN: 2060-AV81 Publication ID: Spring 2025 
Title: Revisions to Method 320 - Measurement of Vapor Phase Organic and Inorganic Emissions by Extractive Fourier Transform Infrared  
Abstract:

This action updates Method 320. The EPA is finalizing revisions to streamline the length and language of the method; updating quality assurance/quality control procedures to reflect changes in instrumentation and sampling equipment since the original version of this method; and updating data processing and analysis sections to reflect evolving software and testing approaches.

 
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 14192 Designation: Not subject to, not significant 
CFR Citation: 40 CFR Part 63     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: Clean Air Act    42 U.S.C. 7401 et seq.   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  03/01/2024  89 FR 15101   
Final Rule  08/00/2025 
Additional Information: Docket #: EPA-HQ-OAR-2022-0491
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:
David Nash
Environmental Protection Agency
Office of Air and Radiation
109 TW Alexander Drive,
Research Triangle Park, NC 27701
Phone:919 541-9425
Email: nash.david@epa.gov