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EPA/OAR RIN: 2060-AT17 Publication ID: Fall 2016 
Title: ●Revisions to Method 301: Field Validation of Pollutant Measurement Methods From Various Waste Media 

The purpose of Method 301 is to provide a set of procedures that the owner or operator of an affected source subject to requirements under 40 CFR part 63 can use to validate an alternative test method to a test method required in 40 CFR part 63, or to validate a stand-alone alternative test method based on established precision and bias criteria. The EPA is proposing revisions to existing Method 301. The proposed revisions include editorial, technical, and consistency changes in the language, tables, and equations of Method 301. Method 301 was originally published on December 29, 1992 [57 FR 61970], as a field validation protocol method. On March 16, 1994, Method 301 was included in 40 CFR 63.7 [59 FR 12430] to validate alternative test method requests. To date, subsequent revisions of Method 301 have not been changed to distinguish requirements for site-specific applications of the method versus a single validation for multiple sources.

Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 63   
Legal Authority: Clean Air Act   
Legal Deadline:  None
Action Date FR Cite
NPRM  11/00/2016 
Final Rule  04/00/2017 
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:
Kristen Benedict
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-02,
Research Triangle Park, NC 27709
Phone:919 541-1394