StacksVerified U.S. regulatory reference

40 CFR §148.2

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.