40 CFR Part 53
AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
June 9, 2020
Subpart
A
General Provisions
Subpart
B
Procedures for Testing Performance Characteristics of Automated Methods for SO2, CO, O3, and NO2
Subpart
C
Procedures for Determining Comparability Between Candidate Methods and Reference Methods
Subpart
D
Procedures for Testing Performance Characteristics of Methods for PM10
Subpart
E
Procedures for Testing Physical (Design) and Performance Characteristics of Reference Methods and Class I and Class II Equivalent Methods for PM2.5 or PM10-2.5
Subpart
F
Procedures for Testing Performance Characteristics of Class II Equivalent Methods for PM2.5