Casing means a pipe or tubing of appropriate material, of varying diameter and weight, lowered into a borehole during or after drilling in order to support the sides of the hole and thus prevent the walls from caving, to prevent loss of drilling mud into porous ground, or to prevent water, gas, or other fluid from entering or leaving the hole.
Dismantle means to take apart or remove any component, device, or piece of equipment that is bolted, screwed, or fastened by other means and that would not be disassembled by a homeowner in the course of routine household maintenance
Stockpile means substances, mixtures or articles accumulated by the holder that consist of or contain any substance listed in Annex I or II.
Underground storage tank system means an underground storage tank and the connected underground piping, underground ancillary equipment, and containment system, if any.