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0 • <br /> WASTE DISCHARGE REQUIREMENTS -8- <br /> MARLEY COOLING TOWER COMPANY <br /> SAN JOAQUIN COUNTY <br /> 3. The discharge shall not have a pH less than 6.5 nor greater than 8.5. <br /> 4. The average dry weather (May through October) discharge flow shall not <br /> exceed 1 .01 million gallons/day. <br /> 5. The peak wet weather discharge flow shall not exceed 1.01 million <br /> gallons/day. <br /> 6. The 30-day average daily discharge shall not exceed 0.72 million <br /> gallons. <br /> 7. Survival of Fathead Minnows in 96-hour bioassays of undiluted waste <br /> shall be no less than: <br /> Minimum for any one bioassay - - - - - - - - - 70% <br /> Median for any three or more consecutive bioassays - - - - 90% <br /> 8. The Discharger shall continue to evaluate the feasibility of reuse of <br /> effluent in lieu of discharging to the Stockton Diverting Canal . <br /> Further studies are needed to provide review and updates of <br /> regulations, new uses, and changing economic as well as financial <br /> developments. <br /> C. Effluent Limitations (Discharge 002, to on-site injection wells) : <br /> 1 . The discharge shall not cause degradation of any water supply. <br /> 2. Discharge of an effluent in excess of the following limits is <br /> prohibited: <br /> Daily <br /> Constituent Units Maximum <br /> Copper ug/l 65 <br /> Total Chromium ug/l 50 <br /> Arsenic ug/l 50 <br /> Total Dissolved Solids mg/l 640 <br /> 3. Full capture of reinjected soil flushing water must be maintained at <br /> all times. <br /> D. Sludge Disposal : <br /> 1 . Residues resulting from the ion exchange treatment process, sludge, and <br /> other solids removed from the contaminated waters shall be tested and <br /> disposed of in compliance with Chapter 15, Division 3, Title 23, of the <br /> CCR and approved by the Executive Officer. <br />