46 C.F.R. § 154.1702 Materials of construction.
Title 46 - Shipping
When Table 4 references one of the following paragraphs in this section, the materials in the referenced paragraph must not be in components that contact the cargo liquid or vapor: (a) Aluminum and aluminum bearing alloys. (b) Copper and copper bearing alloys. (c) Zinc or galvanized steel. (d) Magnesium. (e) Mercury. (f) Acetylide forming materials, such as copper, silver, and mercury.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart D—Special Design and Operating Requirements
§ 154.1702 Materials of construction.
