Regulations last checked for updates: Feb 11, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026
All TitlesTitle 30Chapter IPart 75Subpart E - Subpart E—Combustible Materials and Rock Dusting
View all text of Subpart E [§ 75.400 - § 75.404]
§ 75.401-1 - Excessive amounts of dust.

The term “excessive amounts of dust” means coal and float coal dust in the air in such amounts as to create the potential of an explosion hazard.

authority: 30 U.S.C. 811,813,957
source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.
cite as: 30 CFR 75.401-1
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