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U.S. Code most recently checked for updates: Feb 02, 2023

All TitlesTitle 30Chapter 22Subchapter II
§ 841. Mandatory health standards for underground mines; enforcement; review; purpose
§ 842. Dust concentration and respiratory equipment
§ 843. Medical examinations
§ 844. Rock dust and gas hazards; controls
§ 845. Dust standards in presence of quartz
§ 846. Noise standards; promulgation of new standards; tests; procedures; protective devices
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