1. a) Under 35 Ill. Adm. Code 731.110(a) must meet the requirements in 35 Ill. Adm. Code 731, unless such a tank is excluded from those requirements under 35 Ill. Adm. Code 731.110(b);
2. b) Has interim status or a RCRA permit under 35 Ill. Adm. Code: Subtitle G; or
3. c) Is exempt from this Part under Section 616.105.

This Subpart applies to new underground storage tanks that are located wholly or partially within a setback zone or regulated recharge area and that contain special waste, except that this Subpart does not apply to any new underground storage tank that:

(Source: Amended at 47 Ill. Reg. 7631, effective May 16, 2023)