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' MONITORING WELL SAMPLING DATA <br /> Project Name: Former Vintage Car Wash Project Number: S9183-06-03 <br /> ' Well No.: MW-1 Date: 11/29/2011 <br /> ' Well Diameter: 4 in. Field Personnel:JE <br /> Casing Length: 75 feet Screened Casing Length: 25 feet <br /> ' Well Elevation: 12.08 feet MSL <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Purging: 26.76 ft. 2 in. _.1632 Gal/ft. 4 in. =.6528 Gal/ft. <br /> Calculated Water Column Volume: 31.49 Gal. Volumes Purged: 3.0 <br /> ' Start Purging Time: 1150 End Purging Time: 1310 <br /> Total Time: 80 min. Flow Gauge: to <br /> ' Total Volume Purged: 95 Gal. Avg. Flow Rate: 1.2 gpm <br /> Water Depth After Purging: feet Time: <br /> ' Dissolved Oxygen: 0.23 mg/I Free Product: (N); Thickness: inches <br /> ' SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis:TPHg,BTEY,5 FOCs, 1,2-DCA,naphthalene and ethanol,CrVI <br /> TIME TEMP. CONDUCTIVITY pH Gallons Purged <br /> (°C) (umhos/cm) <br /> 1220 19.7 1055 6.83 31 <br /> ' 1240 20.1 1057 6.84 62 <br /> 1310 19.7 1065 6.84 95 <br /> 1320 Sample <br /> ' Comments: Clear with strong hydrocarbon odor. <br />' Trip Blank collected at 0930. <br /> 1 <br />