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Arizona Administrative Code (Last Updated: November 17, 2016) |
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Title 11. MINES |
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Chapter 1. STATE MINE INSPECTOR |
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Article 18. GASSY MINES |
Section R11-1-1822. Quantity of air
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The quantity of air coursed through the last open crosscuts in pairs or sets of entries or through other ventilation openings nearest the face shall be at least 6,000 cubic feet a minute.