Ill. Admin. Code tit. 92, § 3140.1000
This Part prescribes the specifications for tanks that are to be mounted on or form a part of a tank car and which are used for the transportation of hazardous materials in Illinois.
(Recodified from 92 Ill. Adm. Code 179 (Department of Transportation) pursuant to P.A. 104-0025, at 49 Ill. Reg. 12529)