30 C.F.R. § 62.120 Action level.
Title 30 - Mineral Resources
If during any work shift a miner's noise exposure equals or exceeds the action level the mine operator must enroll the miner in a hearing conservation program that complies with §62.150 of this part.
Title 30: Mineral Resources
PART 62—OCCUPATIONAL NOISE EXPOSURE
§ 62.120 Action level.
