Proposed rule 2025-11623
Photometers
MSHA proposes to revise title 30 of the Code of Federal Regulations (30 CFR) part 75 by removing requirements for methods in measuring luminous intensity with a photometer. Removing this provision would provide greater flexibility in measurement procedures while maintaining protection for miners.
Source-supplied record
Document details
- Document number
- 2025-11623
- Published
- Jul 1, 2025
- Effective
- Not supplied
- Comments close
- Jul 31, 2025
- Federal Register citation
- 90 FR 28426
Docket identifiers
- Docket No. MSHA-2025-0090
CFR references
- Title 30, part 75