Laserfiche WebLink
t <br /> TABLE 1 <br /> CORRAL HOLLOW SANITARY LANDFILL <br /> FOURTH QUARTER 2003 GROUNDWATER MONITORING RESULTS <br /> (Units mg/I unless noted) <br /> Sampling Designation Shallow Monitoring Deep Monitoring <br /> SB-1 Conc. MW-4 Conc. PZ-1 MW-5 Conc. MW-6 MW-7 <br /> Sampling Date 10/8/03 Limit 10/8/03 1 Limit 10/8/03 10/8/03 Trend 10/8/03 10/8/03 <br /> Monitoring and Field Parameters <br /> Elevations(feet) <br /> TOC Elevation 272.72 NR 243.74 NR 244.54 297.89 NR 300.25 253.45 <br /> Depth to Groundwater 40.96 NR 15.77 NR 19.80 68.86 NR 351.46 296.52 <br /> Groundwater Elevation 231.76 NR 227.97 NR 224.74 229.03 NR -51.21 -43.07 <br /> General Water Quality Parameters <br /> Temperature (°C) (field) 25.8 NR 23.4 NR NR 23.5 NR 27.7 21.5 <br /> Chloride 30 75 200 441 NR 99 increasing 100 150 <br /> Nitrate as Nitrogen 0.12* NE(1) 12 NE(2) NR 14 none 1.9 4 <br /> Total Dissolved Solids 580 908 1,500 2040 NR 690 increasing 530 1000 <br /> Sulfate 47 195 580 1010 NR 14 increasing 240 360 <br /> pH (units) (field) 7.19 6.2-7.8 7.35 NE(2) NR 7.1 decreasing 9.96 7.6 <br /> Electrical Conductivity 1009 1523 2,178 3425 1,248 increasing 957 1,531 <br /> (uS/cm) (field) NR <br /> Turbidity(NTU) (field) 42.5 287 21.6 246 NR 67.9 none 39.5 58.4 <br /> Calcium 15 NE(3) 180 NE(3) NR 120 NE(3) 26 96 <br /> Potassium 3.8 NE(3) 5.9 NE(3) NR 1.6 NE(3) 4.2 3.5 <br /> Magnesium 8.7 NE(3) 69 NE(3) NR 37 NE(3) 11 39 <br /> Sodium 15 NE(3) 200 NE(3) NR 87 NE(3) 140 170 <br /> Bicarbonate Alkalinity as <br /> CaCO3 480 609 340 401 NR 470 increasing 38 230 <br /> Carbonate Alkalinity as <br /> CaCO3 ND NE(1) ND NE(1) NR ND none 24 ND <br /> Total Alkalinity as CaCO3 480 608 340 NE(2) NR 470 increasing 62 230 <br /> Volatile Organic Compounds (ug/L) <br /> Acetone ND detect {0.67*} detect NR ND decreasing ND ND <br /> Dichlorodifluoromethane ND detect ND detect NR 9.9 decreasing ND ND <br /> Methylene Chloride ND detect {1.0} detect NR {1.1} decreasing ND ND <br /> Tetrachloroethene ND detect ND detect NR 4.3 increasing ND ND <br /> Toluene ND detect ND detect NR ND none 1.0 ND <br /> Trichlorofluoromethane ND detect ND detect NR 3.5 increasing ND ND <br /> Trichloroethene. ND detect ND detect NR 0.60 increasing ND ND <br /> Vinyl Chloride ND detect ND detect NR 0.62 increasing ND ND <br /> All Other Compounds ND detect ND detect NR ND none ND ND <br /> NR= Not Required <br /> ND = Not Detected <br /> NE=Not Established <br /> (1) Not established due to >50%non-detects <br /> (2) Not established due to statistically significant trend <br /> (3) Not established due to insufficient data <br /> *Trace Concentration (estimated value) <br /> {X} Parameter also detected in one or more quality control blanks <br /> Corral Hollow Landfill Department of Public Works/Solid Waste <br /> e Qtr/Annual 2003 Groundwater Monitoring County of San Joaquin-January 28,2004 <br />