30 CFR Part 57Public Domain
§ 57.5002 — Exposure monitoring
Subpart D — Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
Dust, gas, mist, and fume surveys shall be conducted as frequently as necessary to determine the adequacy of control measures.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.