30 C.F.R. § 60.10

Current through October 31, 2024
Section 60.10 - Permissible exposure limit (PEL)

The mine operator shall ensure that no miner is exposed to an airborne concentration of respirable crystalline silica in excess of 50 [MICRO]g/m3 for a full-shift exposure, calculated as an 8-hour TWA.

30 C.F.R. §60.10

89 FR 28470 , 6/17/2024