Unless the context clearly requires a different meaning, as used in this article the terms:
(a) "Board" means the commercial hazardous waste management facility siting board established pursuant to section four of this article;
(b) "Commercial hazardous waste management facility" means any hazardous waste treatment, storage or disposal facility which accepts hazardous waste, as identified or listed by the director of the division of environmental protection under article eighteen, chapter twenty-two of this code, generated by sources other than the owner or operator of the facility and does not include an approved hazardous waste facility owned and operated by a person for the sole purpose of disposing of hazardous wastes created by that person or such person and other persons on a cost-sharing or nonprofit basis;
(c) "Hazardous waste management facility" means any facility including land and structures, appurtenances, improvements and equipment used for the treatment, storage or disposal of hazardous wastes, which accepts hazardous waste for storage, treatment or disposal. For the purposes of this article, it does not include: (i) Facilities for the treatment, storage or disposal of hazardous wastes used principally as fuels in an on-site production process; or (ii) facilities used exclusively for the pretreatment of wastes discharged directly to a publicly owned sewage treatment works. A facility may consist of one or more treatment, storage or disposal operational units.