46 CFR 153.558
§ 153.558 Special requirements for phosphoric acid.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 153.558, § 153.558 Special requirements for phosphoric acid, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228729
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Full text
A phosphoric acid containment system must be:
(a) Lined with natural rubber or neoprene;
(b) Lined with a material approved for phosphoric acid tanks by the Commandant (CG-ENG); or
(c) Made of a stainless steel that resists corrosion by phosphoric acid.
“Phosphoric acid”, as defined in § 153.2, includes phosphoric acid, superphosphoric acid, and aqueous solutions of phosphoric acid.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.