{"data":{"id":"us/30-cfr-57.7802","jurisdiction":"us","citation":"30 CFR 57.7802","heading":"Oxygen hose lines.","body":"Safety chains or other suitable locking devices shall be provided across connections to and between high pressure oxygen hose lines of 1-inch inside diameter or larger.","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":"0f6c74a49beb24c14266dd883be49269735d2b7bdaeea87b2e7d06753ca0034c","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.7801","next":"us/30-cfr-57.7803"},"notice":"GroundRules: Original legal text. Not legal advice."}