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FACT SHEET, ATTACHMENT C -6- <br /> WASTE DISCHARGE REQUIREMENTS ORDER NO. 2000-**** <br /> CITY OF LODI <br /> WHITE SLOUGH WATER POLLUTION CONTROL PLANT <br /> SAN JOAQUIN COUNTY <br /> bis(2-ethylhexyl)phthalate (DEHP). Both cyanide and zinc have exceeded the Basin Plan numeric water <br /> quality objectives. Results are as follows: <br /> Wastewater Treatment Plant Effluent Sampling Results: <br /> Effluent Concentrations (µg/1) <br /> Sample Date CN Pb' Hg Zn' DEHP <br /> 12-11-92 --- 4.92 <0.2 110 130 <br /> 01-31-93 --- --- --- 120 --- <br /> 02-19-93 <3.0 --- <0.2 --- --- <br /> 03-14-93 --- 1.3 <0.2 140 190 <br /> 05-23-93 --- --- --- 160 --- <br /> 08-03-93 8.0 --- <0.2 --- --- <br /> 09-27-93 --- --- --- 50 <10 <br /> 11-15-93 <3.0 1.0 <0.2 150 --- <br /> 02-01-94 <3.0 1.5 <0.2 140 --- <br /> 05-25-94 8.0 2.1 <0.2 100 <10 <br /> 08-11-94 <3.0 1.6 0.42 91 <10 <br /> 11-10-94 <3.0 <1.0 0.63 56 <10 <br /> 02-07-95 <3.0 1.5 <0.2 72 <15 <br /> 05-23-95 11.0 <5.0 <0.2 100 <15 <br /> 08-15-95 24.0 1.5 <0.2 85 <15 <br /> 11-30-95 <3.0 <5.0 <0.2 110 <15 <br /> 02-13-96 <3.0 2.5 <0.2 150 <15 <br /> 05-22-96 49.0 <5.0 <0.2 125 <10 <br /> 08-01-96 2.0 <5.0 <0.2 77 <10 <br /> 12-10-96 5.0 2.1 0.2 120 <10 <br /> 02-25-97 <10 5.7 <0.2 110 <10 <br /> 05-13-97 <10 10.0 <0.2 120 <10 <br /> 08-12-97 <10 <5.0 <0.2 96 <10 <br /> 1 Concentration reported for these metals are as total recoverable. <br /> 2 Bolded sample results indicate receiving water criteria is exceeded. <br /> Regulatory and Water Quality Limits, (µg/1) unless otherwise stated: <br /> EPA's Freshwater Ambient Water Quality Criteria Basin Plan Objective <br /> DWS1 CCCZ CMC, Maximum <br /> Cyanide(Cl) 200 5.2 22 10 <br /> Lead(Pb) 15 2.84x,3.64'6 724.5'92.74'6 <br /> Mercury(Hg) 2 0.77 1.4 --- <br /> Zinc(Zn) 5000 1104, 1124'6 1204'5, 1234'6 1005 <br /> Bis(2-ethylhexyl) <br /> phthalate(DEHP) 4 --- <br /> 1 Drinking Water Standard. <br />