StacksVerified U.S. regulatory reference

30 CFR §77.309

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Frequent visual checks shall be made by the operator of the thermal dryer system control station, or by some other competent person, of the bypass dampers, air-tempering louvers, discharge mechanism, and other dryer system equipment.