{"data":{"id":"us/46-cfr-154.438","jurisdiction":"us","citation":"46 CFR 154.438","heading":"Design vapor pressure.","body":"(a) If the surface of an independent tank type A are mostly flat surfaces, the Po must not exceed 69 kPa gauge (10 psig).\n(b) If the surfaces of an independent tank type A are formed by bodies of revolution, the design calculation of the Po must be specially approved by the Commandant (CG-ENG).","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 C—Design, Construction and Equipment"],"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":"729905477f0cb9df5e0863d25f8447be0608f90718c18e2f6e1a54e121e79f01","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.437","next":"us/46-cfr-154.439"},"notice":"GroundRules: Original legal text. Not legal advice."}