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Code · CFR · Title 30 — Mineral Resources · Part 57 · § 57.22212

§ 57.22212. Air flow (I-C, II-A, and V-A mines).

20 words·~1 min read·/us/cfr/t30/s§ 57.22212·

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Air flow across each working face shall be sufficient to carry away any accumulation of methane, smoke, fumes, and dust.
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