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INFORMATION SHEET 3 <br /> MARLEY COOLING TOWER COMPANY <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> TABLE 1 <br /> Standards to Protect Beneficial Uses <br /> Aquatic Human Irrigation Basin Plan <br /> Constituent Life' Health2 Water' Objectives` <br /> Copper 6.5 ug/l 1000 ug/l 200 ug/l 10 ug/l <br /> Trivalent Chromium 120 ug/i 50 ug/l 100 ug/l -- <br /> Hexavalent Chromium 11 ug/l 50 ug/l 100 ug/l -- <br /> Arsenic 190 ug/l 5 ug/l 100 ug/l 5 ug/l <br /> Total Dissolved Solids -- 500 mg/l 640 mg/l 500 mg/l <br /> ' from Reference 1; Capper and Trivalent Chromium values assume a hardness <br /> (measured as CaCO,) of 50 mg/l ; hardness of Calaveras River at Bellota is <br /> 60 to 80 mg/l <br /> 2 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 Effluent Receiving Water <br /> Quality Assessment workplan 1 September 1992. <br /> References <br /> 1 . California Inland Surface Waters Plan"; Water Resources Control Board; <br /> 1991. <br /> 2. Primary and Secondary Federal Drinking Water Standards; Title 40, Code of <br /> Federal Regulations <br /> 3. "Water Quality for Agriculture"; R.S. Ayers and D.W. Westcot; FAO <br /> Paper 29, Rev. 1/1986 <br /> 4. "Water Quality Control Plan Report 5B"; Central Valley Regional Water <br /> Quality Control Board; 1975 <br />