35 Ill. Adm. Code 604.1120
Acids and Caustics
Section 604.1120Â Acids and Caustics
a)Â Â Â Â Â Â Â Â Acids
and caustics must be kept in closed corrosion-resistant shipping containers or
bulk liquid storage tanks.
b)Â Â Â Â Â Â Â Â Acids
and caustics must not be handled in open vessels.
c)Â Â Â Â Â Â Â Â Acids
storage tanks must be vented to the outside atmosphere.