{"data":{"id":"us/30-cfr-57.5006","jurisdiction":"us","citation":"30 CFR 57.5006","heading":"Restricted use of chemicals.","body":"The following chemical substances shall not be used or stored except by competent persons under laboratory conditions approved by a nationally recognized agency acceptable to the Secretary.\n(a) Carbon tetrachloride,\n(b) Phenol,\n(c) 4-Nitrobiphenyl,\n(d) Alpha-naphthylamine,\n(e) 4,4-Methylene Bis (2-chloroaniline),\n(f) Methyl-chloromethyl ether,\n(g) 3,3 Dichlorobenzidine,\n(h) Bis (chloromethyl) ether,\n(i) Beta-napthylamine,\n(j) Benzidine,\n(k) 4-Aminodiphenyl,\n(l) Ethyleneimine,\n(m) Beta-propiolactone,\n(n) 2-Acetylaminofluorene,\n(o) 4-Dimethylaminobenzene, and\n(p) N-Nitrosodimethylamine.","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":"fb0737d5140ed56963b401e5bdbaf780074be9b593f8843c6e79ea595f4a4d85","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.5005t","next":"us/30-cfr-57.5015"},"notice":"GroundRules: Original legal text. Not legal advice."}