Radiation—Underground Only | Midpage

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Code of Federal Regulations

ECFR050f3d2837e2329

Radiation—Underground Only

57.5037Radon daughter exposure monitoring.57.5038Annual exposure limits.57.5039Maximum permissible concentration.57.5040Exposure records.57.5041Smoking prohibition.57.5042Revised exposure levels.57.5044Respirators.57.5045Posting of inactive workings.57.5046Protection against radon gas.57.5047Gamma radiation surveys.