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]
§ 75.403-1 - Incombustible content.

Moisture contained in the combined coal dust, rock dust and other dusts shall be considered as a part of the incombustible content of such mixture.

authority: 30 U.S.C. 811,813,957
source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.
cite as: 30 CFR 75.403-1
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