WASHINGTON, May 6 (TNSFRinfo) -- The U.S. Department of Labor Mine Safety and Health Administration (MSHA) is soliciting public comments on the information collection requirements associated with the health standards for diesel particulate matter (DPM) exposure in underground metal and nonmetal mines. These standards aim to protect miners from the health risks associated with DPM, a probable carcinogen found in diesel engine exhaust.

The DPM rule establishes a permissible exposure l . . .

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