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WASTE"DISCHARGE REQUIPMENTS ORDER NO.R5-2002-XXXX r 13 <br /> MARLEY COOLING TOWER COMPANY <br /> SAN JOAQUINCOUNTY <br /> B. Effluent Limitations: (Discharge from Outfall 001 to the Stockton Diverting Canal) <br /> 1. The discharge shall not have a pH less than 6.5 nor greater than 8.5. <br /> 2. The daily maximum discharge flow shall not exceed 0.94 million gallons per day(mgd). <br /> 3. The monthly average discharge flow shall not exceed 0.72 mgd. <br /> 4. Survival of aquatic organisms in 96-hour bioassays of undiluted waste shall be no less <br /> than: <br /> Minimum for any one bioassay- - - - - - - - - 70% <br /> Median for any three or more consecutive bioassays - - - - 90% <br /> 5. Effluent shall not exceed the following limits: <br /> Daily Monthly <br /> Constituents Units Maximum Average <br /> Copper(Total) µg/L(ppb) 6.5' 5.05 <br /> lbs/day 0.511' 0.03'•5 <br /> gg/L(ppb) --- 3.3 3,4 <br /> lbs/day --- 0.022'''4 <br /> Total Chromium gg/L (ppb) --- 50 <br /> lbs/day --- 0.32 <br /> Hexavalent Chromium pg/L(ppb) 16 8.0 <br /> lbs/day 0.13` 0.052 <br /> Arsenic (Total) gg/L (ppb) --- 10 <br /> lbs/day --- 0.062 <br /> Total Dissolved Solids mg/L(ppm) 1000 5004 <br /> lbs/day 7840` 3002'•4 <br /> Total Residual Chlorine mg/L(ppm) 0.02 0.01 <br /> lbs/day 0.081 0.122 <br /> Based upon maximum daily design treatment capacity of 0.94 mgd. <br /> 2 Based upon monthly average flow limitation of 0.72 mgd. <br /> ' At 44 mg/1 hardness as CaCO3 upstream in the Stockton Diverting Canal.At other hardness <br /> values,use Attachment D or adjust copper criterion from CTR in accordance with 40 CFR <br /> 131.38(b)(2). Use adjusted criterion as Effluent Concentration Allowance(ECA)and calculate <br /> the average monthly and daily maximum effluent limitations in accordance with the SIP Section <br /> 1.4. <br /> 4 This effluent limitation shall became effective 1 October 2007. <br /> 3 Interim Limitation until 1 October 2007. <br /> C. Discharge Specifications (Soil Flushing): Full capture of reinjected soil flushing water shall be <br /> maintained at all times. <br />