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1 <br /> MONITORING WELL SAMPLING DATA ' <br /> Project Name: Former Vintage Carwash Project Number: 59183-06-02 ' <br /> Well No.: MW-3 Date: 03/09/09 <br /> Well Diameter: 4 in. Field Personnel: KB/MOB , <br /> Casing Length: 75 ft. Screened Casing Length: 25 <br /> Well Elevation: 10.88 feet above MSL ' <br /> PURGE CHARACTERISTICS ' <br /> Water Depth Before Purging:27.96 ft. 2 in.=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 30.71 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 1019 End Purging Time: 1119 <br /> Total Time: 60 min. Flow Gauge: to , <br /> Total Volume Purged: 93 gal. Avg.Flow Rate: 1.6 gpm <br /> Water Depth After Purging: Time: ' <br /> Dissolved Oxygen: 0.13 mg/1 Free Product: (N);Thickness: <br /> 1 <br /> SAMPLING CHARACTERISTICS <br /> Purging Method:Deep Submersible Pump Sampling Method: Disposable Bailer ' <br /> Laboratory Analysis: TPHg,BTEX,FOCs,VOCs,Acetone,Bromate,CrVl <br /> TIME TEMPERATURE CONDUCTIVffY pH Gallons ' <br /> (°C) (umhos/cm) Purged <br /> 1039 20.2 1,217 7.04 28 ' <br /> 1059 21.1 1,265 6.73 56 <br /> 1119 21.1 1,267 6.75 93 ' <br /> 1130 Sample ' <br /> Comments: Clear with strong odor. ' <br />