Regulations last checked for updates: May 01, 2025

Title 46 - Shipping last revised: Mar 17, 2025
§ 151.56-1 - Prohibited materials.

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:

(a) Aluminum or aluminum alloys.

(b) Copper or copper alloys.

(c) Zinc, galvanized steel, or alloys having more than 10 percent zinc by weight.

(d) Magnesium.

(e) Lead.

(f) Silver or silver alloys.

(g) Mercury.

[CGD 88-100, 54 FR 40041, Sept. 29, 1989]
authority: 33 U.S.C. 1903; 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1
source: CGFR 70-10, 35 FR 3714, Feb. 25, 1970, unless otherwise noted.
cite as: 46 CFR 151.56-1