For purposes of this chapter the following terms are defined:
1. “Cleanup” means actions necessary to contain, collect, control, identify, analyze, clean up, treat, disperse, remove, or dispose of a hazardous substance.
(Code of Iowa, Sec. 455B.381[1])
2. “Hazardous condition” means any situation involving the actual, imminent, or probable spillage, leakage, or release of a hazardous substance onto the land, into a water of the State or into the atmosphere which creates an immediate or potential danger to the public health or safety or to the environment.
(Code of Iowa, Sec. 455B.381[4])
3. “Hazardous substance” means any substance or mixture of substances that presents a danger to the public health or safety and includes, but is not limited to, a substance that is toxic, corrosive, or flammable, or that is an irritant or that generates pressure through decomposition, heat, or other means. “Hazardous substance” may include any hazardous waste identified or listed by the administrator of the United States Environmental Protection Agency under the Solid Waste Disposal Act as amended by the Resource Conservation and Recovery Act of 1976, or any toxic pollutant listed under section 307 of the Federal Water Pollution Control Act as amended to January 1, 1977, or any hazardous substance designated under Section 311 of the Federal Water Pollution Control Act as amended to January 1, 1977, or any hazardous material designated by the Secretary of Transportation under the Hazardous Materials Transportation Act.
(Code of Iowa, Sec. 455B.381[5])
4. “Responsible person” means a person who at any time produces, handles, stores, uses, transports, refines, or disposes of a hazardous substance, the release of which creates a hazardous condition, including bailees, carriers, and any other person in control of a hazardous substance when a hazardous condition occurs, whether the person owns the hazardous substance or is operating under a lease, contract, or other agreement with the legal owner of the hazardous substance.
(Code of Iowa, Sec. 455B.381[7])