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 |
|