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PM 2.5 -
Federal Reference Method (FRM)

PM 2.5 Navigation

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Description Date Bytes Type
Note concerning Dasibi designated reference and equivalent method analyzers. 06/11/02 7024 pdf icon
Recent Federal Register Notice approving the Very Sharp Cut Cyclone with PM2.5samplers. 04/03/02 45712 pdf icon
Copy of a memorandum approving the use of an alternative WINS impactor oil in PM2.5 federal reference method samplers. 01/26/01 84000 pdf icon
An important note on Andersen RAAS PM2.5 Sequential Filter Sampler System. Any agency operating the Andersen sequential sampler should read this message. This information does not apply to any other samplers manufactured by other vendors. 05/19/00 44088 pdf icon
Copies of the "Technical Dicussion of Proposed Shelter" and "Shelter (Alaska) Modification for PM2.5 Samplers." 07/28/99 229516 pdf icon
May 3, 1999 Federal Register Notice, "Ambient Air Monitoring Reference and Equivalent Methods; Designation of a New Reference Method". Notice of Designation of new method RFPS-0499-129, "Rupprecht & Patashnick Company, Inc. Partisol Model 2000 RM-2.5 Audit Sampler." 05/03/99 30158 pdf icon
April 22, 1999 Federal Register Notice, "Revisions to Reference Method for the Determination of Fine Particulate Matter as PM2.5 in the Atmosphere (Direct and Final Rule)." 04/22/99 78190 pdf icon
April 22, 1999 Federal Register Notice, "Revisions to Reference Method for the Determination of Fine Particulate Matter as PM2.5 in the Atmosphere (Proposed Rule)." 04/22/99 63889 pdf icon
March 11, 1999 Federal Register Notice, "Ambient Air Monitoring Reference and Equivalent Methods; Designation of a New Reference Method." 03/11/99 21593 pdf icon
October 29, 1998 Federal Register Notice,"Ambient Air Monitoring Reference and Equivalent Methods; Designation of a New Reference Method and Receipt of Three New Applications for Reference Method Determinations." 10/30/98 27780 pdf icon
June 11, 1998 Federal Register Notice,"Ambient Air Monitoring Reference and Equivalent Methods; Designation of Two Reference Methods and Two Equivalent Methods." 06/15/98 29212 pdf icon
A copy of the 07/09/97 EPA Staff Report "Prototype PM2.5 Federal Reference Method Field Studies Report." 05/28/98 324664 pdf icon
April 16, 1998 Federal Register Notice, "Ambient Air Monitoring Reference and Equivalent Methods; Designation of Three Reference Methods for PM2.5." 04/16/98 20153 pdf icon
Revisions to 40 CFR Part 50 Appendix L - Reference Method for the Determination of Fine Particulate Matter as PM2.5 in the Atmosphere. 7/18/97 891793 pdf icon
Field Test Results - prototype of proposed PM2.5 Federal Reference Method. 3/26/97 20583 Zip file icon


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