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Code of Federal Regulations (Last Updated: May 6, 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 T - Safety Standards for Methane in Metal and Nonmetal Mines |
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Explosives |
§ 57.22607 - Blasting on shift (III mines).
Latest version.
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§ 57.22607 Blasting on shift (III mines).
When blasting on shift, tests for methane shall be made in the mine atmosphere by a competent person before blasting. Blasting shall not be done when 1.0 percent or more methane is present.