Laserfiche WebLink
® Table 1 - Continued <br /> Fourth Quarter 2012 Groundwater Monitoring Results — Shallow Aquifer <br /> Corral Hollow Sanitary Landfill <br /> (Units mg/1 unless noted) <br /> Monitoring Point MW-9A MW-l0A MW-11A <br /> Monitoring Date Date Cone. Date Cone. Date Cone. <br /> 10/15/12 Limit 10/15/12 Limit 10/15/12 Limit <br /> Monitoring and Field Parameters <br /> Elevations(feet) <br /> TOC Elevation 298.18 NR 281.05 NR 265.72 NR <br /> Depth to Groundwater 82.22 NR 73.89 NR 43.84 NR <br /> Groundwater Elevation 215.96 NR 207.16 NR 221.88 NR <br /> General Water Quality Parameters <br /> Temperature(°C)(field) 21.7 NR 21.9 NR 21.5 NR <br /> H(units)(field) 7.74 I 7.83 I 7.15 I <br /> Electrical Conductivity 891.9 1 758.2 1 1409 1 <br /> (uS/cm)(field) <br /> Turbidity(NTU)(field) 67.7 I 64.6 I 58.1 I <br /> Constituents of Concern <br /> Chloride 120 1 110 1 91 I <br /> Nitrate as Nitrogen 34 I 26 I 2.3 1 <br /> Sulfate 16 1 22 I 63 I <br /> Total Dissolved Solids 680 1 490 1 850 I <br /> Volatile Organic Cow)ounds *8260B (uWL) <br /> Benzene ND detect ND detect 0.10* detect <br /> CIS-1,2-Dichloroethene ND detect ND detect 0.70 detect <br /> 1,2-Dichloro ro ane ND detect ND detect 0.22* detect <br /> Trichlorofluoromethane 0.16* detect 0.23* detect ND detect <br /> Dichlorodifluoromethane ND detect 1.8 detect ND detect <br /> Trichloroethene ND detect ND detect 0.14* detect <br /> Tetrachloroethene ND detect 0.52 detect 0.23* detect <br /> All Other Compounds ND Edetect ND detect ND 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 WDRs. <br /> *Trace Concentration(estimated value) <br /> {}=Parameter also detected in one or more quality control blanks <br /> Corral Hollow Sanitary Landfill 22 Department of Public Works/Solid Waste <br /> 4`h Quarter and Annual 2012 Groundwater Monitoring County of San Joaquin—January 15,2013 <br />