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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2004-0160 5 CONTIGROUP COMPANIES,INCORPORATED FRENCH CAMP GRAIN ELEVATOR ENHANCED REMEDIATION PILOT STUDY SAN JOAQUIN COUNTY (WQOs), contains implementation plans and policies for protecting waters of the basin, and incorporates by reference plans and policies adopted by the State Water Resources Control Board (State Board). Pursuant to Section 13263(a)of the California Water Code,waste discharge requirements must implement the Basin Plan. 20. Surface water drainage is into the San Joaquin River within the legal boundaries of the Sacramento - San Joaquin Delta. The designated beneficial uses of the Sacramento- San Joaquin Delta are municipal and domestic supply; agricultural supply, process and service industrial supply; water contact recreation;noncontact water recreation;-warm and cold freshwater habitat,migration of warm and cold freshwater species, spawning of warm freshwater species,wildlife habitat, and navigation. 21. The designated beneficial uses of underlying groundwater are municipal and domestic supply, agricultural supply, and industrial process and service supply. 22. Surrounding land uses are commercial and industrial. 23. State Board Resolution No. 92-49 requires the Regional Board to require actions for cleanup and abatement of discharges that cause or threaten to cause pollution or nuisance to conform to the provisions of State Board Resolution No. 68-16 (hereafter Resolution 68-16) and the Basin Plan. Pursuant to Resolution No. 92-49,the Regional Board shall ensure that dischargers are required to cleanup and abate the effects of discharges in a manner that promotes attainment of either background water quality, or if background levels of water quality cannot be restored, the best water quality which is reasonable and which complies with the Basin Plan including applicable WQOs. 24. Resolution No. 68-16 requires the Regional Board in regulating discharges of waste to maintain the high quality waters of the State until it is demonstrated that any change in quality will be consistent with maximum benefit to the people of the State,will not unreasonably affect present and potential beneficial uses, and will not result in water quality less than that described in plans and policies (e.g., quality that exceeds any WQO). Temporal degradation of groundwater at this Site due to the GZVI injections may occur. The temporary degradation allowed by this Order is consistent with Resolution 68-16 since (1) the purpose is to accelerate and enhance remediation of groundwater pollution and such remediation will benefit the people of the State; (2)the discharge facilitates a pilot project to evaluate the effectiveness of cleanup technology in accordance with Resolution No. 92-49; (3)the degradation is limited in scope and duration; (4)best practicable treatment and control, including adequate monitoring and contingency plans to assure protection of water quality, are required; and(5)the discharge will not cause WQOs to be exceeded beyond the project duration or treatment area, as defined in Finding Nos. 5 and 12. 25. Section 13267(b) of California Water Code provides that: In conducting an investigation specified in subdivision(a),the regional board may require that any person who has discharged,discharges, or is suspected of having discharged or discharging, or who proposes to discharge within its region,or any citizen or domiciliary,or political agency or entity of this state who has discharged,discharges,or is suspected of having discharged or