Unless the context clearly requires otherwise, the definitions in this section apply throughout this chapter.

(1) “Department” means the department of ecology.

(2) “Director” means the director of the department of ecology or the director’s designee.

(3) “Dispose” or “disposal” means the treatment, utilization, processing, or final deposit of special incineration ash.

(4) “Generate” means any act or process which produces special incinerator ash or which first causes special incinerator ash to become subject to regulation.

(5) “Management” means the handling, storage, collection, transportation, and disposal of special incinerator ash.

(6) “Person” means any person, firm, association, county, public or municipal or private corporation, agency, or other entity whatsoever.

(7) “Facility” means all structures, other appurtenances, improvements, and land used for recycling, storing, treating, or disposing of special incinerator ash.

(8) “Special incinerator ash” means ash residues resulting from the operation of incinerator or energy recovery facilities managing municipal solid waste, including solid waste from residential, commercial, and industrial establishments, if the ash residues (a) would otherwise be regulated as hazardous wastes under chapter 70A.300 RCW; and (b) are not regulated as a hazardous waste under the federal resource conservation and recovery act, 42 U.S.C. § 6901 et seq.