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Technology Transfer Network - Ambient Monitoring Technology Information Center

PM 2.5 -
Policy and Guidance


Description Date Type
"National Ambient Air Quality Standard: Particulate Matter; Final Rule." This rule reduces the PM2.5 collocation requirement from 25% to 15%. 04/14/03 pdf icon
Air Monitoring Network Assessments memo and draft guidance document for conducting network assessments is posted in the "PM 2.5 Monitoring" area. 06/14/02 pdf icon
Copy of a memorandum approving the use of an alternative WINS impactor oil in PM2.5 federal reference method samplers is posted in the "Federal Reference Method" area. 01/26/01 pdf icon
Memorandum that transmits information on a national user modification allowing an extension of the PM2.5 mass filter retrieval period from 96 hours to 177 hours 03/01/02
A copy of the "6-day" sampling schedule calendar for 2001 12/06/00
A copy of the "1/6-day and 1/3-day" sampling schedule calendar for 2001 12/06/00
"Additional Methods of Maintenance for the R&P Partisol Plus Model 2025 Sequential Air Sampler" 10/17/00
"Additional Methods of Maintenance for the Andersen RAAS-300 Sequential Air Sampler" 10/17/00
A copy of "Draft Guidance for Acceptable Procedures for Archiving PM2.5 Samples" 02/07/00
A copy of the OAQPS/EMAD J. David Mobley 01/19/00 memorandum, "Additional Guidance on PM2.5 Cassette Handling and Transportation" 01/20/00
A copy of the OAQPS/EMAD J. David Mobley 12/21/99 memorandum, "Use of Collocated PM2.5 Data and Parameter Occurrence Codes" 01/03/00
A copy of the re-delegation of authority for archiving PM2.5 filters that are collected at SLAMS 12/06/99
A copy of the every 3rd and 6th day sampling schedule calendar for 2000 11/24/99
EPA/OAQPS June 11, 1999, J. David Mobley memorandum, "Use of PM Reference Methods and Daylight Savings Time" 06/22/99
OAQPS/EMAD 02/03/99, William F. Hunt, Jr., memorandum, "Use of Make-up PM Samples to Replace Scheduled PM Samples" 02/04/99
Copy of the every 3rd day sampling schedule calendar for 1999 10/07/98
Copy of the every 3rd day sampling schedule calendar for 1998 10/07/98
"Guidance for Using Continuous Monitors in PM2.5 Monitoring Networks," EPA-454/R-98-012, May 1998 (178pp, 1.4 MB) 06/05/98
OAQPS/EMAD 05/18/98, William F. Hunt, Jr., memorandum, "PM2.5 Site Types and Sampling Frequency During CY-99". 05/28/98
OAQPS/EMAD 04/09/98, William F. Hunt, Jr., memorandum, "Guidelines for Granting Exemptions for Daily PM2.5 Monitoring" 04/15/98

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