153.557—Special requirements for hydrochloric acid.
(a)
A containment system that carries hydrochloric acid must be lined with:
(3)
A material approved for hydrochloric acid tanks by the Commandant (CG-522).
(b)
Containment systems for contaminated hydrochloric acid are approved by the Commandant (CG-522) on a case by case basis.
[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82-063b, 48 FR 4781, Feb. 3, 1983]