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Air Monitoring Methods -
Criteria Pollutants
Designated EPA Reference and Equivalent Methods
For information on the FRM/FEM program please contact Surender Kaushik, 919-541-5691, kaushik.surender@epa.gov.
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- List of Designated Reference & Equivalent Methods -- August 6, 2009 (PDF) (52pp, 490k)
- Clarifications and Interpretations Concerning the Comparability Tests for Class II and III Candidate Equivalent Methods for PM2.5 and PM10-2.5 (40 CFR 53.35 and related sections) -- January 18, 2007 (PDF) (2pp, 21k)
- Notice of EPA Redesignation of Certain Equivalent Methods for PM2.5 -- December 18, 2006 (PDF) (2pp, 24k)
- NOTICE: Potential Applicants for U.S. EPA Designation of Candidate Class II and III Equivalent Methods for PM2.5 and PM10-2.5 Under the New (2006) EPA Regulations (40 CFR 53) (PDF) (2pp, 22k)