§ 57.22105 - Smoking and open flames (IV mines).

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§ 57.22105 Smoking and open flames (IV mines).

Smoking or open flames shall not be permitted in a face or raise, or during release of gas from a borehole until tests have been conducted in accordance with § 57.22226 and the methane level has been determined to be below 0.5 percent.

                    
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§ 57.22105 - Smoking and open flames (IV mines).

§ 57.22105 Smoking and open flames (IV mines).