EMC Recent Additions
- February 2024 - Proposed Revisions to Method 320 - Measurement of Vapor Phase Organic and Inorganic Emissions by Extractive Fourier Transform Infrared (FTIR) Spectroscopy
- March 2023 - Testing Provisions for Air Emission Sources
- Final Rule (pdf) - Signed March 7, 2023
- Fact Sheet (pdf)
- Final Rule Corrections Notice (pdf)
- March 2023 - Revision to Method 23 for the Determination of Polychlorinated Dibenzo-P-Dioxins and Polychlorinated Dibenzofurans from Stationary Sources
- Final Rule (pdf) - Signed March 7, 2023
- Fact Sheet (pdf)
- April 2022 - Proposed Testing Provisions for Air Emission Sources
- October 2020 - Revisions to Test Methods and Performance Specifications for Air Emission Sources
- Final Rule (FR Notice) - October 7, 2020
- Fact Sheet (PDF)
- December 2019 - Proposed Revisions to Method 23 for the Determination of Polychlorinated Dibenzo-P-Dioxins and Polychlorinated Dibenzofurans from Stationary Sources
- December 2019 - Proposed Revisions to Testing Regulations for Air Emission Sources
- November 2018 - Revisions to Testing Regulations for Air Emission Sources
- Final Rule (PDF) - November 5, 2018
- Fact Sheet (PDF)
- September 2018 - Optical and Remote Sensing for Measurement and Monitoring of Emissions Flux of Gases and Particulate Matter (September 1, 2018)
- August 2017 - Proposed Revisions to EPA Method 202
- November 2016 - Policy Memo on Overlapping or Staggered Test Runs has been added as Guideline Document 53
- November 2016 - Revisions to Method 301: Field Validation of Pollutant Measurement Methods from Various Waste Media - Proposed Rule
- August 2016 - Revisions to Test Methods and Testing Regulations; Final Rule, 8/30/2016 (PDF)(28 pp, 993 K, About PDF)
- July 2016 - Partial Withdrawal notice for Direct Final for PS 18 and Procedure 6 (PDF) (5 pp, 47 K, About PDF)
- May 2016 - Technical Amendments to Performance Specification 18 and Procedure 6
- Direct Final Rule (PDF) (6 pp, 217 K, About PDF) - Federal Register - May 19, 2016
- Parallel Proposed Rule (PDF) (5 pp, 203 K, About PDF) - Federal Register - May 19, 2016
- April 2016 - Direct Final Withdrawal notice for Method 303 (PDF) (1 p, 182 K, About PDF) - Federal Register - April 20, 2016
- March 2016 - Method 202 Best Practices Handbook and appendices are now available
- February 2016 - Clarifying Requirements for Method 303 Certification Training, Published in the Federal Register February 25, 2016
- Direct Final Rule (PDF)(4 pp, 253 K, About PDF)
- Parallel Proposal (PDF) (4 pp, 242 K, About PDF)
- Fact Sheet (PDF) (2 pp, 19 K, About PDF)
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