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' Groundwater Monitoring Well Sampling Field Log <br /> Project K <br /> Proect Name CTL QMR <br /> Project Address 3105 S EI Dorado Street <br /> Stockton, CA 94526 <br />' Date of Sampling 21-Jury-03 <br /> Name of Sampler Dawn Sorenson <br />' GW Monitoring Wells ry <br /> s 5, <br /> Welt No Desi nation MW-4 <br /> Castn Diameter 2" <br />' Seal at Grade -T e/Condrtton Good <br /> Weil Ca -T e/Condrtion Good <br />' Elevation of TQC-ft above MSL 1235 <br /> Depth of Well-ft 50 <br /> Depth to Wafer-ft 3189 <br />' <br /> Floating Product None <br /> Required GW Pure Before Sampling 8 gal <br /> Actual GW Purge Before Sampling 12 gal <br />' Appearance of Pu a Water Dk Gre /Silt <br /> GW Monitoring Samples— <br /> Pump Volume pH Conductivity Temperature <br /> 0 682 1001 244 <br /> 4 694 1059 24 <br />' 8 764 977 231 <br /> 12 709 964 227 <br /> _ 1y <br /> Comments77- <br /> t No of Samples Collected annd Type, Sample Odor, Well Recharge, etc <br /> 5 analyses (THP-d, TPH-o, TPH-g, BTEX, MTBE/oxygenates) <br /> 2-1000 mL amber, 2-40 mL viols <br />' Recharge 1 hr <br /> strong hydrocarbon odor <br /> 1 i <br /> 1 <br /> • <br /> 1 <br /> Environeenng, Inc PO Box 2498 Danville, CA 94583 SF MW 1-4 6-21-03 As <br />