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11 <br />G' <br />1 <br />d <br />iJ <br />n <br />Ll <br />Table 2 <br />Third Quarter 2013 Groundwater Monitoring Results — Deep Aquifer <br />Corral Hollow Sanitary Landfill <br />(Units mg/l unless noted) <br />Monitoring Point MW -6 MW -7 <br />Date <br />C. Date <br />Cone. <br />Monitoring Date <br />7/18/13 <br />Limit 7/18/13 <br />Limit <br />Monitoring and Field Parameters <br />Elevations (feet) <br />TOC Elevation303.33 <br />NR € 256.48 <br />NR <br />Depth to Groundwater 358.81 <br />—� _ <br />NR 303.96 <br />NR <br />Groundwater Elevation -55.48 <br />I NR -47.48 <br />NR <br />General Water Quality Parameters <br />Temperature (°C) (field) _�— 23.40 T NR 21.70 <br />—j --- <br />NR <br />H (units) (field) 7.63 3.4-8.9 7.30 j <br />4.9-8.2 <br />_ <br />Electrical Conductivity (uS/cm) (field) 1112 1,800 j 1621 ( <br />1,800 <br />Turbidity (NTU) (field) i 18.6 68 j 11.6 j <br />55 <br />Constituents of Concern <br />_ <br />Chloride _ 96 120 150 <br />190 <br />Nitrate as Nitrogen 1.5 ; 4.8 4.5 <br />6 <br />Sulfate _ 270 330 i 360 <br />440 <br />Total Dissolved Solids 750 i 810 i 1100 j <br />1100 <br />Volatile Organic Compounds *826013 u /L <br />All Compounds ND detect i ND <br />detect <br />NR = Not Required ND = Not Detected <br />NE = Not established, due to > 50% non -detects NT = Not Tested <br />MCL = Maximum Contaminant Levels NL = Not Listed <br />NS = Not statistically significant deer = significantly decreasing trend <br />I = Insufficient data for statistical analysis incr = significantly increasing trend <br />Underlined values indicate a concentration limit exceedance. Bold values indicate a detected organic compound. <br />[1] Not established due to statistically significant increasing trend. Concentration limit from "Rs. <br />* Trace Concentration (estimated value) <br />{ } = Parameter also detected in one or more quality control blanks <br />Corral Hollow Sanitary Landfill 21 Department of Public Works/Solid Waste <br />3d Quarter 2013 Groundwater Monitoring County of San Joaquin – October 15, 2013 <br />