For purposes of this article, the following definitions apply:

(a) “Board” means the State Board of Equalization.

(b) “Facility” means any units or other structures, and all contiguous land, used for the treatment, storage, disposal, or recycling of hazardous waste, for which a permit or a grant of interim status has been issued by the department for that activity pursuant to Article 9 (commencing with Section 25200).

(c) “Large storage facility,” in those cases in which total storage capacity is provided in a permit, interim status document, or federal Part A application for the facility, means a storage facility with capacity to store 1,000 or more tons of hazardous waste. In those cases in which it is not so provided, “large storage facility” means a storage facility that stores 1,000 or more tons of hazardous waste during any one month of the current reporting period commencing on or after July 1, 1991.

(d) “Large treatment facility,” in those cases in which total treatment capacity is provided in a permit, interim status document, or federal Part A application for the facility, means a treatment facility with capacity to treat, land treat, or recycle 1,000 or more tons of hazardous waste. In those cases in which it is not so provided, “large treatment facility” means a treatment facility that treats, land treats, or recycles 1,000 or more tons of hazardous waste during any one month of the current reporting period commencing on or after July 1, 1991.

(e) “Generator” means a person who generates hazardous waste at an individual site commencing on or after July 1, 1988. A generator includes, but is not limited to, a person who is identified on a manifest as the generator and whose identification number is listed on that manifest, if that identifying information was provided by that person or by an agent or employee of that person.

(f) “Ministorage facility,” in those cases in which total storage capacity is provided in a permit, interim status document, or federal Part A application for the facility, means a storage facility with capacity to store 0.5 tons (1,000 pounds) or less of hazardous waste. In those cases in which it is not so provided, “ministorage facility” means a storage facility that stores 0.5 tons (1,000 pounds) or less of hazardous waste during any one month of the current reporting period commencing on or after July 1, 1991.

(g) “Minitreatment facility,” in those cases in which total treatment capacity is provided in a permit, interim status document, or federal Part A application for the facility, means a treatment facility with capacity to treat, land treat, or recycle 0.5 tons (1,000 pounds) or less of hazardous waste. In those cases in which it is not so provided, “minitreatment facility, means a treatment facility that treats, land treats, or recycles 0.5 tons (1,000 pounds) or less of hazardous waste during any one month of the current reporting period commencing on or after July 1, 1991.

(h) “Site” means the location of an operation that generates hazardous wastes and is noncontiguous to any other location of these operations owned by the generator.

(i) “Small storage facility,” in those cases in which total storage capacity is provided in a permit, interim status document, or federal Part A application for the facility, means a storage facility with capacity to store more than 0.5 tons (1,000 pounds), but less than 1,000 tons of hazardous waste. In those cases in which it is not so provided, “small storage facility” means a storage facility that stores more than 0.5 tons (1,000 pounds), but less than 1,000 tons, of hazardous waste during any one month of the current reporting period commencing on or after July 1, 1991.

(j) “Small treatment facility,” in those cases in which total treatment capacity is provided in a permit, interim status document, or federal Part A application for the facility, means a treatment facility with capacity to treat, land treat, or recycle more than 0.5 tons (1,000 pounds), but less than 1,000 tons of hazardous waste. In those cases in which this is not provided, “small treatment facility” means a treatment facility that treats, land treats, or recycles more than 0.5 tons (1,000 pounds), but less than 1,000 tons, of hazardous waste during any month of the current reporting period commencing on or after July 1, 1991.

(k) “Unit” means a hazardous waste management unit, as defined in regulations adopted by the department. If an area is designated as a hazardous waste management unit in a permit, it shall be conclusively presumed that the area is a “unit.”

(l) “Class 1 modification,” “class 2 modification,” and “class 3 modification” have the meanings provided in regulations adopted by the department.

(m) “Hazardous waste” has the meaning provided in Section 25117. The total tonnage of hazardous waste, unless otherwise provided by law, includes the hazardous substance as well as any soil or other substance that is commingled with the hazardous substance.

(n) “Land treat” means to apply hazardous waste onto or incorporate it into the soil surface for the sole and express purpose of degrading, transforming, or immobilizing the hazardous constituents.

(o) “Treatment,” “storage,” and “disposal” mean only that treatment, storage, or disposal of hazardous waste engaged in at a facility pursuant to a permit or grant of interim status issued by the department pursuant to Article 9 (commencing with Section 25200). Treatment, storage, or disposal that does not require this permit or grant of interim status shall not be considered treatment, storage, or disposal for purposes of this article.

(1) “Disposal” includes only the placement of hazardous waste onto or into the ground for permanent disposition and does not include the placement of hazardous waste in surface impoundments, as defined in regulations adopted by the department, or the placement of hazardous waste onto or into the ground solely for purposes of land treatment.

(2) “Storage” does not include the ongoing presence of hazardous wastes in the ground or in surface impoundments after the facility has permanently discontinued accepting new hazardous wastes for placement into the ground or into surface impoundments.

(Amended by Stats. 2006, Ch. 538, Sec. 380. Effective January 1, 2007.)