Code of Federal Regulations · Section

§ 57.5045 — Posting Of Inactive Workings

30 C.F.R. § 57.5045

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Inactive workings in which radon daughter concentrations are above 1.0 WL, shall be posted against unauthorized entry and designated by signs indicating them as areas in which approved respirators shall be worn.

30 C.F.R. § 57.5044 30 C.F.R. § 57.5046

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