StacksVerified U.S. regulatory reference

40 CFR §60.1225

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
To continuously monitor emissions, you must perform four tasks:
  1. (a)Install continuous emission monitoring systems for certain gaseous pollutants.
  2. (b)Make sure your continuous emission monitoring systems are operating correctly.
  3. (c)Make sure you obtain the minimum amount of monitoring data.
  4. (d)Install a continuous opacity monitoring system.