30 CFR 18.21 - Machines equipped with powered dust collectors.

Regulations last checked for updates: Feb 10, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026

View all text of Subpart B [§ 18.20 - § 18.54]

§ 18.21 - Machines equipped with powered dust collectors.

Powered dust collectors on machines submitted for approval shall meet the applicable requirements of Part 33 of this chapter (Bureau of Mines Schedule 25B), and shall bear the approval number assigned by MSHA.

authority: 30 U.S.C. 957,961

source: 33 FR 4660, Mar. 19, 1968, unless otherwise noted.

cite as: 30 CFR 18.21