“Underground injection” means the subsurface emplacement of fluids through a bored, drilled, or driven well, or through a dug well where the depth of the dug well is greater than the largest surface dimension, or into any pipe, conduit, or conveyance.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Hw 100) #12343, eff 8-14-17; (formerly Env-Hw 10.70, renumbered by #13405) (See Revision Note #4 at chapter heading for Env-Hw 100) (formerly Env-Hw 104.74)