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1 <br /> MONITORING WELL SAMPLING DATA <br /> Project Name:Former Vintage Carwash Project Number: 59183-06-02 ' <br /> Well No.: GWX-1 Date: 03/02/09 <br /> Well Diameter:4 in. Field Personnel: JJE/MOB ' <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: 29.39 ft. 2 in.=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 21.29 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 1315 End Purging Time: 1342 <br /> Total Time: 27 min. Flow Gauge: to ' <br /> Total Volume Purged: 64 gal. Avg.Flow Rate: 2.4 gpm <br /> Water Depth After Purging: Time: ' <br /> Dissolved Oxygen: 0.09 mg/1 Free Product: (1); Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump Sampling Method:Disposable Bailer ' <br /> Laboratory Analysis:Acetone,Bromate, CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons ' <br /> (°C) (umhos/cm) Purged <br /> 1324 20.6 1,653 6.69 21 ' <br /> 1333 20.6 1,560 6.70 42 <br /> 1342 20.9 1,513 6.53 64 ' <br /> 1355 Sample , <br /> =Iabeled <br /> ' <br /> ampled at 1405 t <br />