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Air Emission Measurement Center (EMC)

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EMC Proposed Test Methods

Air Emission Test Methods FR Publication Date

Summary of EPA Emission Test Methods, Title 40
Office of Air Quality Planning and Standards, updated March 2013

Proposed test methods have been published in the Federal Register as proposed rules, but have not yet been promulgated. Proposed Federal Register Methods maybe new methods or revisions to existing FR Methods. When the method is promulgated, it becomes the official Code of Federal Regulations (CFR) Method. Promulgated test methods are available here.

Proposed Methods and Supporting Documentation

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Title Date
December 2019 - Proposed Revisions to Testing Regulations for Air Emission Sources December 2, 2019

Proposal of Revisions to Method 202 

 August 23, 2017
Proposal of Clarifying Requirements for Method 303 Certification Training February 25, 2016
Registered speakers for public hearing on October 8, 2015 for Proposal of Revisions to Test Methods, Performance Specifications, and Testing Regulations for Air Emission Sources (PDF) (1 pg, 81 K) October 8, 2015
September 8, 2015
Docket Memo concerning Omission of Language (PDF) (1 pg, 194 K) October 2, 2015
Fact Sheet: Revisions to Test Methods, Performance Specifications, and Testing Regulations (PDF) (2 pp, 22 K) August 2015
Proposal of Quality Assurance Requirements for Continuous Opacity Monitoring Systems (PDF) (3 pp, 153 K) - Federal Register February 14, 2012
Proposed Revisions to Test Methods and Testing Regulations (PDF) (51 pp) - Federal Register January 9, 2012
Proposal to Revise Method 2H, Revisions to Test Method for Determining Stack Gas Velocity, etc. (PDF) (13 pp) - Federal Register August 25, 2009
Correction Notice for Method 2H (PDF) (1 pg) - Federal Register September 9, 2009
Proposed Rule, Standards of Performance for New Stationary Sources Appendix A, Test Method 23 (PDF) (2 pp) - Federal Register May 31, 1995
Method 203 Continuous Opacity Monitoring for Compliance, proposed test method (PDF) (19 pp, 46 K) 1995
Note:  This test method was never finalized and became Other Test Method (OTM) 14, Method for Measuring Isocyanates in Stationary Source Emissions (PDF).
Method 207 became Promulgated Method 207 - Presurvey for Corn Wet-Milling Facilities.
 December 8, 1997
Proposed Rule: Appendix A-Test Methods; Method 301 for the Field Validation of Pollutant Measurement Methods From Various Waste Media (PDF) (14 pp) - Federal Register December 22, 2004
Preamble to Methods 310, 312, and 313 (PDF) (9 pp, 19 K) June 12, 1995
Proposed Method 319 - Determination of Filtration Efficiency for Paint Overspray Arrestors (PDF) (28 pp) - Federal Register, page 21 of 28 October 29, 1996
Proposed Method 322 - Hydrogen Chloride Emissions from Portland Cement Kilns by GFCIR (PDF) (15 pp, 50 K) - Federal Register, page 63 of 67 March 24, 1998

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Air Emission Measurement Center