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Groundwater Monitoring Well Sampling Field Log <br /> Project <br />' Pro ect Name CTL QMR <br /> Pro ect Address 3105 S EI Dorado Street <br />' Stockton, CA 94526 <br /> Date of Sampling 21-Mar-02 <br /> Name of Sampler Dawn Sorenson <br /> GW Monitoring Woos <br /> Well No Desi nation MW-2 <br />' <br /> Casing Diameter 211 <br /> Seal at Grade - Type/Condition Fair <br /> Well Ca - Type/Condition Fair <br /> Elevation of TOC - ft above MSL 1342 <br /> Depth of Well - ft 50 <br /> De th to Water-ft 2953 <br /> Floating Product used motor oil - removed 314 gal <br /> Required GW Purge Before Sampling 8 gal <br /> Actual GW Pur a Before Sampling 7 5 gal <br /> Appearance of Purge Water grey/cloudy, floating product <br />� . GW Monrtonng Samples <br /> Pump Volume pH Conductivity Temperature Water Level Removal Volume <br /> C <br /> I <br /> Comments " <br /> 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 /> EModerate hydrocarbon odor, visible oil contamination <br /> i <br /> f <br />` Environeering, Inc PO Box 2498 Danville, CA 94583 SF MW 1-4 03-21-02 As <br />