The terms "petroleum" and "underground storage tank" shall have the meanings ascribed to them in Subtitle I of the Hazardous and Solid Waste Amendments of 1984 ( P.L. 98-616) of the Resource Conservation and Recovery Act of 1976 ( P.L. 94-580), except that "underground storage tank" shall include heating oil underground storage tanks; however no release detection shall be required of heating oil tanks, in existence as of July 11, 1990, prior to December 22, 1998. The Office of the State Fire Marshal shall have the authority to determine the criteria for classification of an underground storage tank as being either a petroleum underground storage tank or a hazardous substance underground storage tank.
When used in connection with, or when otherwise relating to underground storage tanks, the terms "operator", "owner", and "facility" shall have the meanings ascribed to them in Subtitle I of the Hazardous and Solid Waste Amendments of 1984 ( P.L. 98-616) of the Resource Conservation and Recovery Act of 1976 ( P.L. 94-580).
"Bodily injury" means bodily injury, sickness, or disease sustained by a person, including death at any time, resulting from a release of petroleum from an underground storage tank.
"Property damage" means physical injury to, destruction of, or contamination of tangible property, including all resulting loss of use of that property; or loss of use of tangible property that is not physically injured, destroyed, or contaminated, but has been evacuated, withdrawn from use, or rendered inaccessible because of an occurrence.
"Occurrence" means an accident, including continuous or repeated exposure to conditions, which results in a release of petroleum into the environment from an underground storage tank.
"Heating oil" means petroleum that is No. 1, No. 2, No. 4 light, No. 4 heavy, No. 5 light, No. 5 heavy, or No. 6 technical grades of fuel oil; or other residual fuel oils including Navy Special Fuel Oil and Bunker C.
"Heating oil underground storage tank" means an underground storage tank serving other than farms or residential units that is used exclusively to store heating oil for consumptive use on the premises where stored.
430 ILCS 15/4