30 CFR 57.5045 - Posting of inactive workings.

§ 57.5045 Posting of inactive workings.
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.

Title 30 published on 2013-07-01

no entries appear in the Federal Register after this date.

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United States Code