Mine Safety and Health Administration (MSHA) - Code of Federal Regulations - 30 CFR 72.620
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MSHA - Title 30 CFR
30 CFR § 72.620

Drill dust control at surface mines and surface areas of underground mines.

Holes shall be collared and drilled wet, or other effective dust control measures shall be used, when drilling non-water-soluble material. Effective dust control measures shall be used when drilling water-soluble material.

[59 FR 8318, Feb. 18, 1994]




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