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The Mine Safety and Health Administration (MSHA) recently issued a critical new rule to reduce miners' exposure to respirable crystalline silica (RCS).
Overview of the new MSHA rule on RCS exposure
Compliance deadlines: April 2025 for coal mines, April 2026 for metal/non-metal (MNM) mines
New Permissible Exposure Limit (PEL) and Action Level for RCS
Mine operator responsibilities for monitoring and control
New medical surveillance requirements for MNM mines
Updated respiratory protection standards
Senior Vice President of Operations and Development, Essential Minerals Association
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