{"data":{"id":"us/30-cfr-57.5002","jurisdiction":"us","citation":"30 CFR 57.5002","heading":"Exposure monitoring.","body":"Dust, gas, mist, and fume surveys shall be conducted as frequently as necessary to determine the adequacy of control measures.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart D—Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"cf022704f4e460dadee7f29a1ddfae7b32cca9c0d652ff23fb6ccfc13c7a9369","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.5001t","next":"us/30-cfr-57.5005"},"notice":"GroundRules: Original legal text. Not legal advice."}