ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 57.22301

Atmospheric monitoring systems (I-A, II-A, and V-A mines).

CHAPTERCHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
PARTPART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
SUBPARTT