a) Incompatible materials must not be placed in the same container.
- b) Hazardous secondary material must not be placed in an unwashed container that previously held an incompatible material.
- c) A storage container holding a hazardous secondary material that is incompatible with any other materials stored nearby must be separated from the other materials or protected from them by means of a dike, berm, wall, or other device.
(Source: Added at 40 Ill. Reg. 11367, effective August 9, 2016)