As used in the Oklahoma Hazardous Waste Management Act:
The term "hazardous waste" may include but is not limited to explosives, flammable liquids, spent acids, caustic solutions, poisons, containerized gases, sludges, tank bottoms containing heavy metallic ions, toxic organic chemicals, and materials such as paper, metal, cloth or wood which are contaminated with hazardous waste. The term "hazardous waste" shall not include domestic sewage;
Okla. Stat. tit. 27A, § 2-7-103