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  
  • Fact sheet for EPA Method 320 – Measurement of Vapor Phase Organic and Inorganic Emissions by Extractive Fourier Transform Infrared (FTIR) Spectroscopy (pdf) (241.93 KB)
  • Federal Register Notice - March 1, 2024 (pdf) (744.96 KB)
• March 2023 - Testing Provisions for Air Emission Sources  
  • Final Rule (pdf) (1.88 MB) - Signed March 7, 2023
  • Fact Sheet (pdf) (157.95 KB)
  • Final Rule Corrections Notice (pdf) (169.12 KB, 4/20/2023)
• March 2023 -  Revision to Method 23 for the Determination of Polychlorinated Dibenzo-P-Dioxins and Polychlorinated Dibenzofurans from Stationary Sources
  • Final Rule (pdf) (1.35 MB) - Signed March 7, 2023
  • Fact Sheet (pdf) (151.77 KB)
• April 2022 - Proposed Testing Provisions for Air Emission Sources 
  • Proposed Rule (pdf) (836.11 KB, 4/26/2022)
  • Fact Sheet (pdf) (102.96 KB)
• 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
  • Proposed Rule (FR Notice)
  • Fact Sheet (PDF)

• December 2019 - Proposed Revisions to Testing Regulations for Air Emission Sources
  • Proposed Rule (PDF)
  • Fact Sheet (PDF)

• 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)

• March 2018 - Revisions to Method 301: Field Validation of Pollutant Measurement Methods from Various Waste Media - Final Rule (March 20, 2018) 

• January 2018 - Proposed Revisions to Test Methods - FR Notice (January 26, 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 - Clarification of Requirements for Method 303 Certification Training - Final Rule

• November 2016 - Revisions to Method 301: Field Validation of Pollutant Measurement Methods from Various Waste Media - Proposed Rule

• November 2016 - Revisions to Procedure 2:  Quality Assurance Requirements for Particulate Matter Continuous Emission Monitoring Systems at Stationary Sources - Direct Final and Proposed Rules

• 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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