StacksVerified U.S. regulatory reference

40 CFR §60.1740

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Conduct annual evaluations of your continuous emission monitoring systems no more than 13 months after the previous evaluation was conducted.
  2. (b)Evaluate your continuous emission monitoring systems daily and quarterly as specified in appendix F of this part.