Section R11-1-1828. Flammable gas in excess of 1.5%

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If 1.5% or higher concentration of flammable gas is detected in air returning from an underground working place or places, the men shall be withdrawn and the power cut off to the portion of the mine endangered by such flammable gas until the concentration of such gas is reduced to 1.0% or less.

Historical Note

Former Rule 18:28.

                    
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