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MSHARulemakingMSHA-2023-0001

Lowering Miners' Exposure to Respirable Crystalline Silica and Improving Respiratory Protection

RIN
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Last modified
Dec 5, 2024
Comment window
closed 1051d ago
Portland Cement Association filings
2

Activity

Portland Cement Association filed 2 comments on this docket between Jul 25, 2023 and Sep 12, 2023. 48 other organizations filed here. The comment window closed 1051d ago.

What Portland Cement Association filed (2)

Sep 12, 2023· Comment from Portland Cement Association· MSHA-2023-0001-1407

Filed on regulations.gov — full text not in the inline record.

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Jul 25, 2023· Comment from Portland Cement Association· MSHA-2023-0001-1298

Filed on regulations.gov — full text not in the inline record.

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Abstract

Many miners are exposed to respirable crystalline silica (RCS) in respirable dust. These miners can develop lung diseases such as chronic obstructive pulmonary disease, and various forms of pneumoconiosis, such as silicosis, progressive massive fibrosis, and rapidly progressive pneumoconiosis. These diseases are irreversible and may ultimately be fatal. MSHA’s existing standards limit miners’ exposures to RCS. MSHA will publish a proposed rule to address the existing permissible exposure limit of RCS for all miners and to update the existing respiratory protection standards under 30 CFR 56, 57, and 72.

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Co-filers (48)

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