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INFORMATION SHEET -3_ <br /> MARLEY COOLING TOWER COMPANY <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> Reinjected soil flushing water limits are based on technologically achievable <br /> limits of 6.5 pg/l for Copper, 50 pg/l for Total Chromium, and 10 pg/l for <br /> Arsenic . <br /> TABLE 1 <br /> Standards to Protect Beneficial Uses <br /> Aquatic Human Irrigation Basin Plan <br /> Constituent Life' Health' Water' Ob.iectives' <br /> Copper 6.5 ug/l 1000 ug/l 200 ug/l 10 ug/l <br /> Hexavalent Chromium 11 ug/l 50 ug/l 100 ug/l -- <br /> Arsenic 190 ug/l 50 ug/l 100 ug/l 10 ug/l <br /> Total Dissolved Solids -- 1000 mg/l 640 mg/l 500 mg/l <br /> from Reference 1; Copper and Trivalent Chromium values assume a hardness <br /> (measured as CaCO,) of 50 mg/1 ; hardness of Calaveras River at Bellota is <br /> 60 to 80 mg/l <br /> ' from Reference 2; Cooper and total dissolved solids values are secondary, <br /> not primary, standards based on organo-leptic data <br /> ' from Reference 3; total dissolved solids value is for sensitive crops <br /> from Reference 4; values are for either the Delta or San Joaquin River, <br /> whichever is more restrictive <br /> Additional Data Collection <br /> Marley Cooling Tower Company will continue to collect data regarding receiving <br /> water flows, treatment plant efficiency, and storm and ground water <br /> characteristics. Marley will prepare and submit a report evaluating reuse of <br /> the effluent in lieu of discharging to the Stockton Diverting Canal by <br /> 1 January 1996. <br /> References <br /> 1. "Ambient Water Quality Criteria" , individual documents for Chromium, <br /> Copper, and Arsenic; U.S. Environmental Protection Agency; 1985 <br /> 2. Primary and Secondary Federal Drinking Water Standards; Title 40, Code of <br /> Federal Regulations <br />