{"data":{"id":"us/46-cfr-153.934","jurisdiction":"us","citation":"46 CFR 153.934","heading":"Entry into spaces containing cargo vapor.","body":"(a) No person may enter a cargo tank, cargo handling space, pumproom or enclosed space in the cargo area without the permission of the master.\n(b) Before permitting anyone to enter a cargo tank, cargo handling space, pumproom or other enclosed space in the cargo area, the master shall make sure that:\n(1) The space is free of toxic vapors and has sufficient oxygen to support life; or\n(2) Those entering the space wear protective equipment with self-contained breathing apparatus as described in § 153.214(b) and an officer closely supervises the entire operation.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS","Subpart C—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":"5e5859d1ba688bc0c344df318aa16c5ed28dc6ccf54a43347e9de9f7db3b1271","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.933","next":"us/46-cfr-153.935"},"notice":"GroundRules: Original legal text. Not legal advice."}