PM 2.5 Monitoring Information

Files identified as "ZIP" must be de-archived using 'PKUNZIP,' those identified as "PDF" are readable only using an "Acrobat Reader." Downloading instructions, archivers, de-archivers and Adobe Acrobat readers are available through "File Compression Utilities" under the TTN Top Menu.

From the listing below, find the file you would like to download. The available file formats are represented by icons on the right side of the listing. Click on the icon that represents the file format you wish to receive. For an explanation of file formats and their icons, see our TTNWeb File Types.

Description	Date	Bytes	Type
03/22/02- Federal Register Notice (03/07/2002) Federal Register Notice for the Agency Information Collection: Proposed Collection; Comment Request; Ambient Air Quality Surveillance.	03-22-02	39367
05/03/99- Federal Register Notice (05/03/99) "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
04/23/99- Federal Register Notice (04/22/99) "Revisions to Reference Method for the Determination of Fine Particulate Matter as PM2.5 in the Atmosphere" (Direct Final Rule).	04-22-99	78190
04/23/99- Federal Register Notice (04/22/99) "Revisions to Reference Method for the Determination of Fine Particulate Matter as PM2.5 in the Atmosphere" (Proposed Rule).	04-22-99	63889
03/11/99- Federal Register Notice "Ambient Air Monitoring Reference and Equivalent Methods: Designation of a New Reference Method".	03-11-99	21593
11/02/98- 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 Determination".	10-30-98	27780
06/11/98- Federal Register Notice "Ambient Air Monitoring Reference and Equivalent Methods; Designation of Two Reference Methods and Two Equivalent Methods".	06-15-98	29212
04/16/98- Federal Register Notice "Ambient Air Monitoring Reference and Equivalent Methods; Designation of Three Reference Methods for PM2.5."	04-16-98	20153
40 CFR parts 50, 53 and 58: 02/17/98 Corrections Notice.	02-19-98	384806
40 CFR part 50, National Ambient Air Quality Standards for Particulate Matter; Final Rule.	02-19-98	106576
Final Particulate Matter NAAQS: Revisions to 40 CFR Part 50, including Revisions to Appendices K, L, M, and N.	07-18-97	1373408
Particulate Matter Monitoring Requirements: Revisions to 40 CFR parts 53 and 58.	07-18-97	782724&
Supplemental Information and Request for Comments; PM2.5 Federal Reference Method.	07-21-97	8700