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Code · CFR · Title 30 — Mineral Resources · Part 18 · § 18.21

§ 18.21. Machines equipped with powered dust collectors.

33 words·~1 min read·/us/cfr/t30/s§ 18.21·

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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.
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