StacksVerified U.S. regulatory reference

40 CFR §60.1280

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Refer to table 4 of this subpart. It shows alternate methods for collecting data when systems malfunction or when repairs, calibration checks, or zero and span checks keep you from collecting the minimum amount of data.