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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter K - Metal and Nonmetal Mine Safety and Health |
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Part 57 - Safety and Health Standards - Underground Metal and Nonmetal Mines |
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Subpart F - Drilling and Rotary Jet Piercing |
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Rotary Jet Piercing - Surface Only |
§ 57.7806 - Oxygen intake coupling.
Latest version.
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§ 57.7806 Oxygen intake coupling.
The oxygen intake coupling on jet piercing drills shall be constructed so that only the oxygen hose can be coupled to it.