# Safety Standards for Underground Coal Mines
> **Mine Safety and Health Administration** · Notice of MSHA acceptance of new personal noise dosimeters. · Published 1996-08-29 · Effective 1996-08-29 · 61 FR 45322
## Document
- **Document number:** 96-21800
- **Category:** mine-safety
- **Sub-agency:** Mine Safety and Health Administration
- **Federal Register citation:** 61 FR 45322
- **CFR reference:** 30 CFR 70
- **Publication date:** 1996-08-29
- **Effective date:** 1996-08-29
## Abstract

After testing and evaluation, the Mine Safety and Health Administration (MSHA) announces the acceptance of the Quest Technologies Models Q-100, Q-200, Q-300, and Q-400 Personal Noise Dosimeters for use in coal mines.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1996/08/29/96-21800/safety-standards-for-underground-coal-mines)
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