section 1004 of the Solid Waste Disposal Act [42 U.S.C. 6903].
(3) The term “disposal” means the discharge, deposit, injection, dumping, spilling, leaking, or placing of any solid
waste or hazardous waste into or on any land or water so that such solid waste or hazardous waste or any constituent
thereof may enter the environment or be emitted into the air or discharged into any waters, including ground waters.
(5) The term “hazardous waste” means a solid waste, or combination of solid wastes, which because of its quantity,
concentration, or physical, chemical, or infectious characteristics may—
(A) cause, or significantly contribute to an increase in mortality or an increase in serious irreversible, or incapacitating
reversible, illness; or
(B) pose a substantial present or potential hazard to human health or the environment when improperly treated,
stored, transported, or disposed of, or otherwise managed.
(34) The term “treatment”, when used in connection with hazardous waste, means any method, technique, or process,
including neutralization, designed to change the physical, chemical, or biological character or composition of
any hazardous waste so as to neutralize such waste or so as to render such waste nonhazardous, safer for transport,
amenable for recovery, amenable for storage, or reduced in volume. Such term includes any activity or processing
designed to change the physical form or chemical composition of hazardous waste so as to render it
nonhazardous.
(26A) The term “sludge” means any solid, semisolid or liquid waste generated from a municipal, commercial, or
industrial wastewater treatment plant, water supply treatment plant, or air pollution control facility or any other such
waste having similar characteristics and effects.
(27) The term “solid waste” means any garbage, refuse, sludge from a waste treatment plant, water supply treatment
plant, or air pollution control facility and other discarded material, including solid, liquid, semisolid, or contained
gaseous material resulting from industrial, commercial, mining, and agricultural operations, and from community
activities, but does not include solid or dissolved material in domestic sewage, or solid or dissolved materials in
irrigation return flows or industrial discharges which are point sources subject to permits under section 1342 of title
33, or source, special nuclear, or byproduct material as defined by the Atomic Energy Act of 1954, as amended (68
Stat. 923) [42 U.S.C. 2011 et seq.].