StacksVerified U.S. federal law reference

40 CFR §60.1325 — How do I monitor the temperature of flue gases at the inlet of my particulate matter control device?

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
You must install, calibrate, maintain, and operate a device to continuously measure the temperature of the flue gas stream at the inlet of each particulate matter control device.