{"data":{"id":"us/46-cfr-154.1828","jurisdiction":"us","citation":"46 CFR 154.1828","heading":"Spaces containing cargo vapor: Entry.","body":"(a) No person may enter a cargo handling space without the permission of the master or without following a safety procedure established by the master.\n(b) Before allowing anyone to enter a cargo handling space, the master shall ensure that:\n(1) The space is free of toxic vapors and has an oxygen concentration of at least 19.5 percent oxygen by volume; or\n(2) Those entering the space wear protective equipment with breathing apparatus and an officer closely supervises the entire operation in the space.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES","Subpart E—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":"86db91c92e50dfe8ee94776acf6cc7e03c294c5d9f582b6f8a975ae999e81947","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.1826","next":"us/46-cfr-154.1830"},"notice":"GroundRules: Original legal text. Not legal advice."}