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

> **MSHA** · Rulemaking · Modified 2026-04-06T19:11:48Z

## Docket
- **Docket ID:** MSHA-2023-0001
- **Agency:** MSHA
- **Type:** Rulemaking
- **Last modified:** 2026-04-06T19:11:48Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/MSHA-2023-0001)
- [Public comments](https://www.regulations.gov/docket/MSHA-2023-0001/comments)

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