Regulations last checked for updates: May 02, 2025

Title 30 - Mineral Resources last revised: Apr 14, 2025
All TitlesTitle 30Chapter IPart 77Subpart D - Subpart D—Thermal Dryers
View all text of Subpart D [§ 77.300 - § 77.315]
§ 77.311 - Alarm devices.

Thermal dryer systems shall be equipped with both audible and visual alarm devices which are set to operate when safe dryer temperatures are exceeded.

authority: 30 U.S.C. 811.
source: 36 FR 9364, May 22, 1971, unless otherwise noted.
cite as: 30 CFR 77.311
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