As used in this subchapter, unless the context otherwise requires:
(1) “Incinerator ash” means any tangible residue resulting from the incineration of solid waste;
(2) “Monofill” means a waste disposal facility specifically designed for the sole disposal of incinerator ash;
(3) “Person” means any state agency, municipality, governmental subdivision of the state or the United States, public or private corporation, individual, partnership, association, or other entity; and
(4) “Petroleum-contaminated soils” means those soils which have been physically, chemically, or biologically altered by gasoline, diesel, kerosene, heating oil, jet fuel, or any other petroleum product.