2023 California Code › Water Code - WAT › DIVISION 7 - WATER QUALITY › CHAPTER 4 - Regional Water Quality Control › ARTICLE 4 - Waste Discharge Requirements › Section 13263.2.

13263.2. The owner or operator of a facility that treats groundwater which qualifies as a hazardous waste pursuant to Chapter 6.5 (commencing with Section 25100) of Division 20 of the Health and Safety Code is exempt from the requirement to obtain a hazardous waste facility permit pursuant to Section 25201 of the Health and Safety Code for the treatment of groundwater if all of the following conditions are met:
(a) The facility treats groundwater which is extracted for purposes of complying with one or more of the following:
(1) Waste discharge requirements prescribed pursuant to Section 13263.
(2) A cleanup or abatement order issued pursuant to Section 13304.
(3) A written authorization issued by a regional board or local agency designated pursuant to Section 25283 of the Health and Safety Code.
(4) An order or approved remedial action plan issued pursuant to Part 2 (commencing with Section 78000) of Division 45 of the Health and Safety Code.
(b) The facility meets, at a minimum, all of the following operating standards:
(1) The treatment does not require a hazardous waste facilities permit pursuant to the Resource Conservation and Recovery Act, as amended (42 U.S.C. Sec. 6901 et seq.).
(2) The facility operator prepares and maintains written operating instructions and a record of the dates, amounts, and types of waste treated.
(3) The facility operator prepares and maintains a written inspection schedule and log of inspections conducted.
(4) The records specified in paragraphs (2) and (3) are maintained by the owner or operator of the facility for a period of three years.
(5) The owner or operator maintains adequate records to demonstrate that it is in compliance with all of the pretreatment standards and with all of the applicable industrial waste discharge requirements issued by the agency operating the publicly owned treatment works into which the wastes are discharged.
(6) (A) Upon terminating the operation of any treatment process or unit exempted pursuant to this section, the owner or operator that conducted the treatment removes or decontaminates all waste residues, containment system components, soils, and other structures or equipment contaminated with hazardous waste from the unit. The removal of the unit from service shall be conducted in a manner that does both of the following:
(i) Minimizes the need for further maintenance.
(ii) Eliminates the escape of hazardous waste, hazardous constituents, leachate, contaminated runoff, or waste decomposition products to the environment after the treatment process ceases operation.
(B) Any owner or operator who permanently ceases operation of a treatment process or unit that is exempted pursuant to this section shall provide written notification to the regional board or local agency upon completion of all activities required by this subdivision.
(7) The waste is managed in accordance with all applicable requirements for generators of hazardous waste under Chapter 6.5 (commencing with Section 25100) of Division 20 of the Health and Safety Code and the regulations adopted by the Department of Toxic Substances Control pursuant to that chapter.
(c) The groundwater is treated at the site where it is extracted in compliance with one or more of paragraphs (1), (2), (3), and (4) of subdivision (a).
(d) All other regulatory requirements applicable to the facility pursuant to Chapter 6.5 (commencing with Section 25100) of Division 20 of the Health and Safety Code are met by the owner or operator.
(e) The treatment of the contaminated groundwater is not performed under corrective action required by Section 25200.10 of the Health and Safety Code.
(Amended by Stats. 2022, Ch. 258, Sec. 124. (AB 2327) Effective January 1, 2023. Operative January 1, 2024, pursuant to Sec. 130 of Stats. 2022, Ch. 258.)