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1 <br /> ' MONITORING WELL SAMPLING DATA <br /> Project Name: Former Vintage Car Wash Project Number: S9183-06-03 <br /> ' Well No.: MW-1 Date: 10/24/2011 <br /> Well Diameter: 4 in. Field Personnel: MO <br /> ' Casing Length: 75 feet Screened Casing Length: 25 feet <br /> Well Elevation: 12.08 feet MSL <br /> 1 <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Purging: 27.01 ft. 2 in. =.1632 Gal/ft.4 in. = .6528 Gal/ft. <br /> Calculated Water Column Volume: 31.33 Gal. Volumes Purged: 3.0 <br /> ' Start Purging Time: 1320 End Purging Time: 1424 <br /> Total Time: 64 min. Flow Gauge: to <br /> ' Total Volume Purged: 94 Gal. Avg.Flow Rate: 1.5 gpm <br /> Water Depth After Purging: feet Time: <br /> ' Dissolved Oxygen: 0.52 mg/l Free Product: (N);Thickness: inches <br /> ' SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump Sampling Method: Disposable Bailer <br /> Laboratory Analysis:TPHg,BTEX,5 FOCs, 1,2-DCA,naphthalene and ethanol,CrVI <br /> TIME TEMP. CONDUCTIVITY pH Gallons Purged <br /> (°C) (umhos/cm) <br /> 1347 24.3 1028 7.09 31 <br /> 1404 22.6 1053 6.82 62 <br /> 1424 22.4 1054 6.77 94 <br /> ' 1435 Sample <br /> 1 Comments: Clear with strong hydrocarbon odor. <br /> ' Trip Blank collected at 1000. <br /> ' Duplicate sample MW-14 collected @ 1445 <br />