§ 70.501 - Requirements.

Related Notices

Latest version.

Every operator of an underground coal mine shall maintain the noise levels during each shift to which each miner in the active workings of the mine is exposed at or below the permissible noise levels set forth in Table I of this subpart.
Example:
If a noise is recorded to be 110 dBA then exposure shall not exceed 30 minutes during an 8-hour shift.
(Secs. 101 and 206, 83 Stat. 745 and 765; 30 U.S.C. 801 and 846)

                    
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