{"data":{"id":"us/46-cfr-151.56-1","jurisdiction":"us","citation":"46 CFR 151.56-1","heading":"-1 Prohibited materials.","body":"When one of the following paragraphs of this section is referenced in table 151.05, the materials listed in that paragraph may not be used in components that contact the cargo or its vapor:\n(a) Aluminum or aluminum alloys.\n(b) Copper or copper alloys.\n(c) Zinc, galvanized steel, or alloys having more than 10 percent zinc by weight.\n(d) Magnesium.\n(e) Lead.\n(f) Silver or silver alloys.\n(g) Mercury.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 151—BARGES CARRYING BULK LIQUID HAZARDOUS MATERIAL CARGOES","Subpart 151.56—Prohibited Materials of Construction"],"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":"50a5f635fc94e4aaa807be35c832fbb26e57cd1babd1ddee32e5062f5e09bb33","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-151.55-1","next":"us/46-cfr-151.58-1"},"notice":"GroundRules: Original legal text. Not legal advice."}