{"data":{"id":"us/30-cfr-57.7801","jurisdiction":"us","citation":"30 CFR 57.7801","heading":"Jet drills.","body":"Jet piercing drills shall be provided with:\n(a) A system to pressurize the equipment operator's cab, when a cab is provided; and\n(b) A protective cover over the oxygen flow indicator.","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 F—Drilling and Rotary Jet Piercing"],"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":"9f0db864ca7321c10dd1ac21bc919f645067b6449258e4dd9e39ec300197a890","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.7056","next":"us/30-cfr-57.7802"},"notice":"GroundRules: Original legal text. Not legal advice."}