Code of Federal Regulations · Section

§ 57.22201 — Mechanical Ventilation (i-a, I-b, I-c, Ii-a, Ii-b, Iii, Iv, V-a, And V-b Mines)

30 C.F.R. § 57.22201

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All mines shall be ventilated mechanically.

30 C.F.R. § 57.22106 30 C.F.R. § 57.22202

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