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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 R11-1-1816. Booster fans -- operation
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Booster fans shall be:
1. Operated by permissible drive units maintained in per- missible condition.
2. Operated only in air containing not more than 1% flam- mable gas.