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U.S. Department of Labor Mine Safety and Health Administration Protecting Miners' Safety and Health Since 1978 |
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Find It! in DOL | Compliance Assistance | |
30 CFR § 57.20032
Two-way communication equipment for underground operations.
AUTHORITY: 30 U.S.C. 811. SOURCE: 52 FR 24941, July 1, 1987, unless otherwise noted. |
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