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.
authority: Secs. 3004, Resource Conservation and Recovery Act,
42 U.S.C. 6901
source: 53 FR 28154, July 26, 1988, unless otherwise noted.
cite as: 40 CFR 148.2