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! TABLE 1 <br /> HARNEY LANE SANITARY LANDFILL <br /> SECOND SEMESTER 2013 GROUNDWATER MONITORING <br /> Units m /L unless noted <br /> Sampling MW-1 MW-2 MW-3A MW-4A <br /> Designation <br /> Sampling Date Conc. Conc. Trend Conc. 8/21/13 Conc. <br /> 8/2/13 Limit 8/2/13 Limit 8/21/13 Limit Limit <br /> Monitoring and Field Parameters <br /> Elevation(feet) <br /> TOC Elevation 100.89 NA 93.09 NA NR NA NA NA NA <br /> Depth to 139.30 NA 134.52 NA NR 136.73 NA 136.92 NA <br /> Groundwater <br /> Groundwater -38.41 NA -41.43 NA NR NA NA NA NA <br /> Elevation <br /> General Water Quality Parameters <br /> ! <br /> -Temperature °C 21.5 NA 21.1 NA NR 22.4 NA 20.6 NA <br /> Electrical <br /> Conductivity 294.3 410 349.3 360 none 250.4 [3] 573.4 [3] <br /> uS/cm field <br /> H units field 7.21 6.3-8.2 7.46 6.1-8.0 none 7.96 3 8.04 3 <br /> Turbidity 37.1 190 21.7 31 [2] incr 12.3 [3] 17.8 [3] <br /> NTU field <br /> Oxygen Reduction +126 [3] +131 [3] none +73 [3] +81 [3] <br /> Potential (mv) <br /> Dissolved Oxygen 1.43 [3] 1.33 [3] none 0.71 [3] 0.69 [3] <br /> (mg/1) <br /> Constituents of Concern <br /> Calcium 21 3 28 [31 none 15 3 14 3 <br /> ! <br /> -Magnesium 11 3 15 3 none 8.4 3 8.8 3 <br /> Alkalinity as 120 [3] 130 [3] none 93 [3] 140 [3] <br /> CaCO3 <br /> Chloride 8.6 45 2 21 30 decr 15 3 54 3 <br /> Hardness as 98 [3] 130 [3] none 73 [3] 72 [3] <br /> CaCO3 <br /> Total Dissolved 240 350 260 425[2] incr 210 [3] 400 [3] <br /> ! Solids(mg/1) <br /> Chemical Oxygen 25 [3] ND [3] none ND [3] 25 [3] <br /> Demand <br /> ! Volatile Organic Compounds(ug/L) <br /> Tetrachloroethene ND detect 0.35* detect decr ND detect 0.72 detect <br /> Trans-1,2- ND detect ND detect none ND detect 21 detect <br /> ! Dichloroethene <br /> All Other ND detect ND detect none ND detect ND detect <br /> Compounds <br /> Harney Lane Sanitary Landfill Department of Public Works/Solid Waste <br /> 2°'Semester and Annual 2013 Groundwater Monitoring Report County of San Joaquin-January 31,2014 <br />