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Table 11: City of Tracy Sludge Land Application Site <br /> Semiannual Monitoring Report: <br /> Groundwater Monitoring Results <br /> Water Well Well Well Well Well Well <br /> Units/ Quality No. 1 No. 2 No. 3 No. 4 No. 5 DW1 <br /> Parameter Method Format Goals <br /> Date n.a. m/d/y Semiannual 4/29/96 4/29/96 4/29/96 4/29/96 4/29/96 4/29/96 <br /> Depth to <br /> Static Level Sounding ft-msl none 29.68 45.77 61.68 69.15 20.09 <br /> Appearance Field, visual none Turbid Turbid Turbid Turbid Turbid Clear <br /> Total Dissolved Solids EPA160.1 mg/1 450 (a) 1216.0 3588.0 998.0 1061.0 2272.0 1542.0 <br /> Nitrate-nitrogen EPA300.0 mg/1 none <br /> pH Field electrode units none 7.6 7.6 7.9 7.9 7.7 7.7 <br /> Electrical Conductivity Field conductivity cell umhos/cm none 1768 >2000 1688 1845 >2000 >2000 <br /> Temperature Field thermometer deg. F none 66.6 65.7 62.6 64.2 67.5 66.7 <br /> STLC: <br /> Zinc EPA200.7/SW6010 mg/1 2.00 (a) <0.004 0.0049 0.0053 <0.004 0.0048 0.0194 <br /> Copper EPA200.7/SW6010 mg/1 0.20 (a) <0.003 <0.003 <0.003 <0.003 <0.003 0.0040 <br /> Nickel EPA200.7/SW6010 mg/1 0.10 (a) <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 • <br /> Cadmium EPA200.7/SW6010 mg/1 0.005 (a) <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <br /> Lead EPA200.7/SW6010 mg/1 0.015 (a) <0.0006 <0.0006 0.0008 <0.0006 0.0006 <0.0006 <br /> (a) From Mike Mosbacher, California Regional Water Quality Control Board, letter of Oct. 15, 1993. <br /> Goals reflect most stringent of either the drinking water MCL or the California Agricultural Water Quality Goals. <br /> GROUND.XLS 9/17/96 <br />