{"data":{"id":"us/46-cfr-153.558","jurisdiction":"us","citation":"46 CFR 153.558","heading":"Special requirements for phosphoric acid.","body":"A phosphoric acid containment system must be:\n(a) Lined with natural rubber or neoprene;\n(b) Lined with a material approved for phosphoric acid tanks by the Commandant (CG-ENG); or\n(c) Made of a stainless steel that resists corrosion by phosphoric acid.\nNote:\n“Phosphoric acid”, as defined in § 153.2, includes phosphoric acid, superphosphoric acid, and aqueous solutions of phosphoric acid.","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 B—Design 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":"298dbf830b274ceee8d389220e1ea6d037691a7c3ed6ce00b408a8dad657f860","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.557","next":"us/46-cfr-153.559"},"notice":"GroundRules: Original legal text. Not legal advice."}