StacksVerified U.S. regulatory reference

30 CFR §75.400

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.