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Code of Federal Regulations (Last Updated: July 5, 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 O - Coal Mine Safety and Health |
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Part 70 - Mandatory Health Standards - Underground Coal Mines |
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Subpart B - Dust Standards |
§ 70.100 - Respirable dust standards. |
§ 70.101 - Respirable dust standard when quartz is present. |