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WASTE DISCHARGE REQUIREMENTS -2- GOLDEN GATE FRESH FOODS, INC. VICTOR FINE FOODS TREATMENT PLANT AND CLASS II SURFACE IMPOUNDMENT SAN JOAQUIN COUNTY polluted with TDS and chlorides. Verification monitoring has been ongoing since the discovery of the pollution in early 1986 and the extent of pollution is still undefined. Limited corrective action measures, including operation of three extraction wells, have been in effect since February 1989. 5. The Discharger proposes to discharge up to 0.13 mgd of process wastewater and 0.15 mgd of polluted ground water to the underground injection well . The injection well will be permitted by the EPA through an Underground Injection Control Permit (UIC Permit) as a Class I injection well . The process wastewater will be treated prior to injection to remove oils and grease, suspended solids, and biological organisms that may clog or otherwise interfere with the operation of the injection well . The polluted ground water will be extracted and commingled with the treated process wastewater prior to injection. 6. The Discharger has requested revised waste discharge requirements to treat the process wastewater to an acceptable quality for reliable injection. The proposed treatment facilities will include, in sequence of treatment, dissolved air floatation (DAF) for removal of oil and grease, equalization and aeration, activated sludge treatment, filtration, and chemical treatment. 7. A 1-acre equalization/emergency storage basin (EESB) is proposed as part of the treatment process to equalize flows into the activated sludge phase of the treatment process. The EESB will be regulated in these requirements as a Class II Surface Impoundment because the wastewater TDS concentrations and site conditions classify the waste stream as a designated waste. An engineered alternative, meeting the prescriptive standards of Title 23, Chapter 3, Subchapter 15 (Subchapter 15) , will be used for the proposed EESB. The engineered alternative features consist of a double, synthetic liner system and a french drain under the perimeter of the EESB. 8. The proposed treatment, including the DAF, EESB, activated sludge unit, filtration, and chemical treatment facilities (hereafter referred to collectively as the pretreatment plant) will be designed and operated to produce an effluent of sufficient quality to allow continuous operation of the injection well . Proper operation of the injection well is vital to ground water protection and cleanup of the polluted ground water. 9. Waste sludge will be digested and dried in drying beds prior to disposal in a method approved by the Executive Officer. 10. The process wastewater, polluted ground water, and the combined waste stream after pretreatment and commingling are described as follows: