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1 <br /> MONITORING WELL SAMPLING DATA t <br /> Project Name: Former Vintage Carwash Project Number: S9183-06-02 ' <br /> Well No.: MW-3 Date: 03/30/09 <br /> Well Diameter: 4 in. Field Personnel: JJE/RB ' <br /> Casing Length: 75 ft. Screened Casing Length:25 ft. <br /> Well Elevation: 10.88 feet above MSL , <br /> PURGE CHARACTERISTICS ' <br /> Water Depth Before Purging: 27.86 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 30.77 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 1124 End Purging Time: 1230 <br /> Total Time: 66 min. Flow Gauge: to <br /> Total Volume Purged: 92.5 gal. Avg.Flow Rate: 1.4 gpm <br /> Water Depth After Purging: Time: <br /> Dissolved Oxygen: 6.56 mg/1 Free Product: (N); Thiclmess: <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 /> 1149 23.1 1,320 6.88ii NSainple <br /> 1210 20.9 1,427 6.78 <br /> 1230 21.5 1,355 6.76 t <br /> 1240 <br /> Comments: Clear with strong odor. ' <br /> 1 <br />