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i <br /> MONITORING WELL SAMPLING DATA ' <br /> Project Name:Former Vintage Carwash Project Number: S9183-06-02 ' <br /> Well No.: GWX-1 Date: 05/11/09 <br /> Well Diameter: 4 in. Field Personnel: JJE/RB ' <br /> Casing Length: 62 ft. Screened Casing Length: 38 ft. <br /> Well Elevation: 12.66 feet above MSL ' <br /> PURGE CHARACTERISTICS ' <br /> Water Depth Before Purging: 29.24 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gai/ft. <br /> Calculated Water Column Volume: 21.39 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 1155 End Purging Time: 1220 <br /> Total Time: 25 min. Flow Gauge: to t <br /> Total Volume Purged: 65 gal. Avg.Flow Rate: 2.6 gpm <br /> Water Depth After Purging: Time: ' <br /> Dissolved Oxygen: 0.20 mg/1 Free Product: (1);Thickness: <br /> 1 <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump I Sampling Method:Disposable Bailer ' <br /> Laboratory Analysis: TPHg,BTEX, 1,2-DCA,Ethanol,Naphthalene,Acetone,Bromate, CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons ' <br /> (°C) (umhos/cm) Purged <br /> 1210 24.1 1,434 6.60 21 ' <br /> 1215 22.1 1,431 6.49 42 <br /> 1220 22.1 1,415 6.58 65 ' <br /> 1230 Sample ' <br /> Comments: Clear with strong odor t <br />