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PM 2.5 and Chemical Speciation -
Federal Reference Method (FRM)
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| Description | Date | Bytes | Type |
|---|---|---|---|
| Note concerning Dasibi designated reference and equivalent method analyzers. | 06/11/02 | 7024 |
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| Recent Federal Register Notice approving the Very Sharp Cut Cyclone with PM2.5samplers. | 04/03/02 | 45712 |
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| Copy of a memorandum approving the use of an alternative WINS impactor oil in PM2.5 federal reference method samplers. | 01/26/01 | 84000 |
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| 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 |
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| Copies of the "Technical Dicussion of Proposed Shelter" and "Shelter (Alaska) Modification for PM2.5 Samplers." | 07/28/99 | 229516 |
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| 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 |
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| 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 |
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| 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 |
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| March 11, 1999 Federal Register Notice, "Ambient Air Monitoring Reference and Equivalent Methods; Designation of a New Reference Method." | 03/11/99 | 21593 |
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| 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 |
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| 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 |
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| A copy of the 07/09/97 EPA Staff Report "Prototype PM2.5 Federal Reference Method Field Studies Report." | 05/28/98 | 324664 |
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| 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 |
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| 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 |
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| Field Test Results - prototype of proposed PM2.5 Federal Reference Method. | 3/26/97 | 20583 | 
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