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Table 3 <br /> Second Semester 2010 (4th Quarter 2010) Groundwater Monitoring Results <br /> Foothill Sanitary Landfill <br /> (Units mg/I unless noted) <br /> Sampling Designation MW-1 MW-2R MW-3 MW-4 MW-5 Conc. <br /> Sampling Date 11/24/10 111/24/10 11/24/10 11/24/10 11/24/10 Limits <br /> Monitoring and Field Parameters <br /> Elevations feet <br /> TOC Elevation 258.43 299.62 320.75 341.57 256.52 NR <br /> Depth to Groundwater 207.78 255.71 273.00 285.30 217.05 NR <br /> Groundwater Elevation 50.65 43.91 47.75 56.27 39.47 NR <br /> General Water Qualitv Parameters <br /> Temperature -C field NR NR NR NR NR NR <br /> H (units)(field NR NR NR NR NR 5.8-9 <br /> Electrical Conductivity NR NR NR NR NR 440 <br /> uS/cm)(field) <br /> Turbidity NTU field NR NR NR NR NR 88 <br /> Constituents of Concern <br /> Calcium NR NR NR NR NR 24 <br /> Magnesium NR NR NR NR NR 13 <br /> Sodium NR NR NR NR NR 17 <br /> Potassium NR NR NR NR NR 4.7 <br /> Bicarbonate Alkalinity as NR NR NR NR NR 180 <br /> HCO3 <br /> Carbonate Alkalinity as NR NR NR NR NR 2.5 <br /> CaCO3 <br /> Chloride NR NR NR NR NR 8.5 <br /> Nitrate as Nitrogen NR NR NR NR NR 1.8 <br /> Sulfate NR NR NR NR NR 12 <br /> Total Dissolved Solids NR NR NR NR NR 260 <br /> Volatile Organic Compounds(8260B)(ug/L) <br /> All Compounds NR NR NR NR NR detect <br /> NE=Not Established <br /> ND=Not Detected <br /> NM=Not Measured <br /> NR=Not Required <br /> I=Insufficient data for statistical analysis <br /> *=Trace concentration(estimated value) <br /> Bold values indicate VOC detections <br /> Underlined values indicate concentration limit exceedances <br /> MW-1 not enough water for sampling this semester <br /> LW-1 sampling/testing is not part of the monitoring program <br /> [1]Not established due to>50%non-detects <br /> {1) Parameter also detected in one or more quality control blanks. <br /> Foothill Sanitary Landfill 17 Department of Public Works/Solid Waste <br /> 2nd Semester and Annual 2010 Groundwater Monitoring County of San Joaquin—January 31,2011 <br />