{"data":{"id":"us/46-cfr-197.452","jurisdiction":"us","citation":"46 CFR 197.452","heading":"Oxygen cleaning.","body":"The diving supervisor shall ensure that equipment used with oxygen or oxygen mixtures greater than 40 percent by volume is cleaned of flammable materials—\n(a) Before being placed into service; and\n(b) After any repair, alteration, modification, or suspected contamination.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER V—MARINE OCCUPATIONAL SAFETY AND HEALTH STANDARDS","PART 197—GENERAL PROVISIONS","Subpart B—Commercial Diving Operations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"bcff5ef1f148b2fddb86d94eb3a5af28642b07a5038619fb4c361ca18d556008","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-197.450","next":"us/46-cfr-197.454"},"notice":"GroundRules: Original legal text. Not legal advice."}