Section 738.102  Definitions

"Injection interval" means that part of the injection zone in which the well is screened or in which the waste is otherwise directly emplaced.

"Transmissive fault or fracture" is a fault or fracture that has sufficient permeability and vertical extent to allow fluids to move between formations.

"USEPA hazardous waste number" means the number assigned by USEPA pursuant to each hazardous waste listed in Subpart D of 35 Ill. Adm. Code 721 and to each characteristic identified in Subpart C of 35 Ill. Adm. Code 721.

BOARD NOTE:  Derived from 40 CFR 148.2 (2017).

(Source:  Amended at 42 Ill. Reg. 25244, effective November 19, 2018)