30 CFR Part 57 - Subpart D - Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
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Air Quality—Surface and Underground (§§ 57.5001 - 57.5006)
- Air Quality—Surface Only [Reserved]
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Air Quality—Underground Only (§ 57.5015)
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Radiation—Underground Only (§§ 57.5037 - 57.5047)
- § 57.5037 Radon daughter exposure monitoring.
- § 57.5038 Annual exposure limits.
- § 57.5039 Maximum permissible concentration.
- § 57.5040 Exposure records.
- § 57.5041 Smoking prohibition.
- § 57.5042 Revised exposure levels.
- § 57.5044 Respirators.
- § 57.5045 Posting of inactive workings.
- § 57.5046 Protection against radon gas.
- § 57.5047 Gamma radiation surveys.
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Diesel Particulate Matter—Underground Only (§§ 57.5060 - 57.5075)