At a minimum, such an accumulation must be an integral part of the systematic alteration, reuse, reprocessing or conversion of the tires in the regular course of business.
415 ILCS 5/54.09
"Storage" means any accumulation of used tires that does not constitute disposal
P.A. 86-452.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.