SITE INFORMATION AND CORRESPONDENCE

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WASTE DISCHARGE REQUIREMENTS -3- DEFENSE DEPOT TRACY SAN JOAQUIN COUNTY (d) The performance monitoring of the cleanup system to gauge its effectiveness. This includes the installation of five wells to monitor the extraction system and five wells to monitor the injection system. (e) The assessment of the effect of this interim groundwater cleanup system on ground water contamination, including the development of a numerical ground water contaminant transport model . 11. The existing storm drain holding pond collects stormwater runoff at DDT. Stormwater runoff to the storm drain pond is currently being monitored pursuant to Board Order No. 89-209. 12. The beneficial uses of the groundwater are domestic, municipal , industrial , and agricultural supply. 13. The Board adopted a Water Quality Control Plan for the Sacramento - San Joaquin Delta Basin (5B) , 2nd Edition, which contains water quality objectives for all waters of the Basin. These requirements are consistent with that Plan. 14. The Discharger is required to protect the environment to the greatest degree possible (Public Resources Code, Section 21000, et seq. ) . 15. The Defense Logistics Agency has adopted a Negative Declaration in accordance with the California Environmental Quality Act, (CEQA - Public Resources Code Section 21000, et seq. ) , and the State Guide- lines. The project' s Initial Study indicates that the project will not have significant impacts on the environment. The Department of Health Services, the Lead Administrative Agency for CEQA compliance, has concurred with this determination. The Board has reviewed the EIR and has determined there are no significant impacts on water quality. 16. This discharge is exempt from the requirements of Subchapter 15, Chapter 3, Title 23, of the CCR, pursuant to Section 2511 (b) because the Board has issued waste discharge requirements, the discharge is in compliance with the Basin Plan, and the wastewater is not a ' hazardous waste' according to Chapter 30, Division 4, Title 22, CCR. 17. The Board has notified the Discharger and interested agencies and persons of its intent to prescribe waste discharge requirements for this discharge. 18. The Board, in a public meeting, heard and considered all comments pertaining to the discharge. IT IS HEREBY ORDERED that Order No. 89-209 be rescinded and Defense Depot Tracy, in order to meet the provisions contained in Division 7 of the California Water Code and regulations adopted thereunder, shall comply with the following: