46 C.F.R. § 153.558 Special requirements for phosphoric acid.
Title 46 - Shipping
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 (G-MSO); or (c) Made of a stainless steel that resists corrosion by phosphoric acid. Note: “Phosphoric acid”, as defined in §153.2, includes phosphoric acid, superphosphoric acid, and aqueous solutions of phosphoric acid. [CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983; CGD 88–100, 54 FR 40042, Sept. 29, 1989]
Title 46: Shipping
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B—Design and Equipment
Special Requirements
§ 153.558 Special requirements for phosphoric acid.
