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TABLE3 <br /> THIRD QUARTER 2012 GROUNDWATER MONITORING RESULTS <br /> NORTH COUNTY RECYCLING TER AND SANITARY LANDFILL <br /> (Units mg/I unless noted) <br /> Sampling Conc. <br /> Designation G-1 G-2 G-3D G-4 G-5 G-6 <br /> Limits <br /> Sampling Date 7/31/12 7/31/12 7/31/12 7/31/12 7/31/12 7/31/12 <br /> Monitoring and Field Parameters <br /> Elevations feet <br /> Top of Casing 120.95 NM 114.06 117.35 111.18 114.41 NR <br /> Depth to 166.40 NM 159.36 162.02 155.84 158.68 NR <br /> Groundwater <br /> Groundwater -45.45 NM -45.3 -44.67 -44.66 -44.27 NR <br /> Elevation <br /> General Water Qualitv Parameters <br /> Temperature °C 21.0 NS 19.7 20.1 NS 19.8 NR <br /> H units 7.24 NS 7.15 7.16 NS 7.43 6.0-8.0 <br /> Electrical 360.7 NS 209.6 185.8 NS 221.3 550 <br /> Conductivity uS/cm <br /> Turbidity NTU) 19.7 NS 11.7 16.9 NS 67.7 21 <br /> Dissolved Oxygen 1.44 NS 1.68 1.76 NS 1.37 1 <br /> Redox Potential +137 NS +138 +155 NS +127 1 <br /> Constituents of Concern <br /> Calcium 23 NS 16 13 NS 22 30 <br /> Magnesium 14 NS 9.7 7.5 NS 13 23 <br /> Total Alkalinity as 150 NS 85 75 NS 81 1 <br /> CaCO3 <br /> Chloride 8.3 NS 6.8 6.8 NS 8.4 80 <br /> Hardness as CaCO3 120 NS 80 64 NS 110 1 <br /> Total Dissolved 250 NS 200 180 NS 190 310 <br /> Solids <br /> Chemical Oxygen 39 NS 30 ND NS 36 1 <br /> Demand <br /> Volatile Organic Compounds 82606 u /L <br /> All Compounds I ND NS ND ND NS ND detect <br /> G-1 = New Upgradient Well I = Insufficient data for statistical analysis <br /> NS = Not Sampled Underlined values indicate a concentration limit exceedance. <br /> NR= Not Required *Trace Concentration (Estimated Value) <br /> ND= Not Detected <br /> NE = Not Established due to>50% non-detects <br /> No sample collected at G-2 this quarter due to low water level <br /> No sample collected at G-5 this quarter due to low water level <br /> {1}Parameter also detected in one or more quality control blanks. <br /> North County RC&SL Public Works/Solid Waste <br /> 2od Semester and Annual 2012 Groundwater Monitoring 21 County of San Joaquin-January 15,2013 <br />