35 Ill. Adm. Code 721.273
Management of Containers
Section 721.273 Management of Containers
a) A
container holding hazardous secondary material must always be closed during
storage, except when it is necessary to add or remove the hazardous secondary
material.
b) A
container holding hazardous secondary material must not be opened, handled, or
stored in a manner that may rupture the container or cause it to leak.