National Mining Association
MSHARulemakingMSHA-2025-0079

Improving and Eliminating Regulations; Limit on Exposure to Diesel Particulate Matter in Underground Metal and Nonmetal Mines

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Last modified
Jul 31, 2025
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closed 362d ago
National Mining Association filings
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National Mining Association filed 1 comment on this docket between Jul 29, 2025 and Jul 29, 2025. 1 other organizations filed here. The comment window closed 362d ago.

What National Mining Association filed (1)

Jul 29, 2025· Comment from National Mining Association· MSHA-2025-0079-0003

Please see attached comments from the National Mining Association

Abstract

The Mine Safety and Health Administration (MSHA) is proposing to revise 30 CFR part 57 by removing outdated requirements for miners’ exposures to diesel particulate matter (DPM) in underground metal and nonmetal mines (MNM). These revisions would streamline the requirements for DPM for underground MNM mine operators while maintaining the same level of protection for miners.

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