GroundRules
40 CFR Table A-1 to Subpart A of Part 53: Table A-1 to Subpart A of Part 53—Summary of Applicable Requirements for Reference and Equivalent Methods for Air Monitoring of Criteria Pollutants
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 53—AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
- Subpart A—General Provisions
Pollutant Reference or equivalent Manual or automated Applicable appendix of part 50 of this chapter Applicable subparts of this part
A B C D E F
SO2 Reference Manual A-2
Automated A-1 ✓ ✓
Equivalent Manual A-1 ✓ ✓
Automated A-1 ✓ ✓ ✓
CO Reference Automated C ✓ ✓
Equivalent Manual C ✓ ✓
Automated C ✓ ✓ ✓
O3 Reference Automated D ✓ ✓
Equivalent Manual D ✓ ✓
Automated D ✓ ✓ ✓
NO2 Reference Automated F ✓ ✓
Equivalent Manual F ✓ ✓
Automated F ✓ ✓ ✓
Pb Reference Manual G
Equivalent Manual G ✓ ✓
Automated G ✓ ✓
PM10-Pb Reference Manual Q
Equivalent Manual Q ✓ ✓
Automated Q ✓ ✓
PM10 Reference Manual J ✓ ✓
Equivalent Manual J ✓ ✓ ✓
Automated J ✓ ✓ ✓
PM2.5 Reference Manual L ✓ ✓
Equivalent Class I Manual L ✓ ✓ ✓
Equivalent Class II Manual L 1 ✓ 2 ✓ ✓ 1 2 ✓
Equivalent Class III Automated L 1 ✓ ✓ ✓ 1 ✓
PM10-2.5 Reference Manual L,2 O ✓ ✓
Equivalent Class I Manual L,2 O ✓ ✓ ✓
Equivalent Class II Manual L,2 O ✓ 2 ✓ ✓ 1,2 ✓
Equivalent Class III Automated 1 L, 1 2 O ✓ ✓ ✓ 1 ✓
1 Some requirements may apply, based on the nature of each particular candidate method, as determined by the Administrator.
2 Alternative Class III requirements may be substituted.
Collected 2026-08-27T02:26:04Z. Source file · JSON