TITLE 46 - SHIPPING

CHAPTER I - COAST GUARD, DEPARTMENT OF HOMELAND SECURITY

SUBCHAPTER O - CERTAIN BULK DANGEROUS CARGOES

PART 153 - SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS

subpart b - DESIGN AND EQUIPMENT

153.558 - Special requirements for phosphoric acid.

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 7396, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82063b, 48 FR 4782, Feb. 3, 1983; CGD 88100, 54 FR 40042, Sept. 29, 1989]