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TABLE 3 <br /> THIRD QUARTER 2013 GROUNDWATER MONITORING RESULTS <br /> NORTH COUNTY RECYCLING CENTER AND SANITARY LANDFILL <br /> (Units mg/I unless noted) <br /> Sampling G-1 G-2 G-3D G-4 G-5 G-6 Conc. <br /> Designation Limits <br /> S ampling Date 7/30/13 7/30/13 7/30/13 7/30/13 7/30/13 7/30/13 <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 169.27 NM 162.20 164.82 NM 161.59 NR <br /> Groundwater <br /> Groundwater -48.32 NM -48.14 -47.47 NM -47.18 NR <br /> Elevation <br /> General Water Qualitv Parameters <br /> Temperature(°C) 21.4 NS 20.4 19.6 NS 19.1 NR <br /> pH units 7.18 NS 7.76 7.64 NS 7.76 6.0-8.0 <br /> Electrical 2056 NS 184.3 167.3 NS 238.7 550 <br /> Conductivity uS/cm <br /> Turbidity NTU) 96.7 NS 11.6 18.3 NS 12.4 97 <br /> Dissolved Oxygen 1.46 NS 1.41 2.73 NS 1.74 1 <br /> Redox Potential +21 NS +69 +50 NS +12 1 <br /> Constituents of Concern <br /> Calcium 87 NS 13 11 NS 17 23 <br /> Magnesium 31 NS 7.9 6.3 NS 9.1 45 <br /> Total Alkalinity as 91 NS 76 66 NS 29 190 <br /> CaCO3 <br /> Chloride 8.9 NS 6.8 6.8 NS 2.5 44 <br /> Hardness as CaCO3 350 NS 66 53 NS 79 1 <br /> Total Dissolved 180 NS 180 150 NS ND 310 <br /> Solids <br /> Chemical Oxygen 88 NS ND ND NS ND I <br /> Demand <br /> Volatile Organic Compounds 82608 u /L <br /> All Compounds ND NS ND NDI 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 /> 2nd Semester and Annual 2013 Groundwater Monitoring 16 County of San Joaquin-January 25,2014 <br />