StacksVerified U.S. federal law reference

40 CFR §60.1285 — What types of stack tests must I conduct?

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Conduct initial and annual stack tests to measure the emission levels of dioxins/furans, cadmium, lead, mercury, particulate matter, opacity, hydrogen chloride, and fugitive ash.