Laserfiche WebLink
TABLE 4 <br /> NORTH COUNTY RECYCLING CENTER AND SANITARY LANDFILL <br /> SECOND QUARTER 2004 GROUNDWATER MONITORING RESULTS <br /> (Units mg/l unless noted) <br /> , <br /> SamplingDesi nation G-1 G-3D G-4 G-5 G-6 Conc. <br /> Sam lin Date 4/7/04 4/7/04 4/7/04 4/7/04 4/7/04 Limits <br /> Monitoring and Field Parameters <br /> Elevations(feet) <br /> Top of Casing 118.92 111.62 114.93 109.19 112.12 NR <br /> Depth to Groundwater 151.88 145.41 148.80 142.49 145.91 NR <br /> Groundwater Elevation -32.96 -33.79 -33.87 -33.3 -33.79 NR <br /> General Water Quality Parameters <br /> Temperature CC) 15.7 18.4 17.9 18.3 18.1 NR <br /> Chloride 33 8.2 8.4 20 23 23 <br /> Nitrate as Nitrogen 3.7 1.6 1.3 1.6 1.6 2.2 <br /> Total Dissolved Solids 260 170 180 190 200 260 <br /> Sulfate 7.0 7.0 3.5 3.3 4 8.6 <br /> pH (units) 7.35 7.08 7.41 . 7.20 7.16 6.2-8.1 <br /> Electrical Conductivity(uS/cm) 360 212 214 231 287 352 <br /> Turbidity(NTU) 3.27 4.12 3.72 5.34 20.8 13 <br /> Calcium 23 15 14 16 19 NE(3) <br /> Potassium 1.9 2 ND 1.6 1.3 NE(3) <br /> Magnesium 13 7.8 7.4 8.5 9.7 NE(3) <br /> Sodium 19 17 14 14 18 NE(3) <br /> Bicarbonate 100 86 86 100 110 110 <br /> Carbonate ND ND ND ND ND 5.0 <br /> Volatile Organic Compounds(ug/L) <br /> Acetone {1.3*} {1.6*} {1.8*} {1.6*} {1.4*} detect <br /> Methylene Chloride {0.89*} {0.59*} {0.51'} {0.77*} {0.67*} detect <br /> All Compounds ND ND ND ND ND detect <br /> G-1 =Upgradient Well <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} False positive: parameter also detected in one or more quality control blanks <br /> f <br /> North County RCSL Public Works/Solid Waste <br /> 1sT Semester 2004 Groundwater Monitoring County of San Joaquin-July 30,2004 <br />