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MONITORING WELL SAMPLING DATA , <br /> FWell <br /> t Name: Former Vintage Carwash Project Number: 59183-06-02 ' <br /> o.: MW-3 Date: 02/23/09 <br /> iameter: 4 in. Field Personnel: 7JE/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: 28.28 ft. 2 in=.1632 Gal/ft. 4 in=.6528 GaUft. <br /> Calculated Water Column Volume: 30.50 gal. Volumes Purged; 3.0 ' <br /> Start Purging Time: 1229 End Purging Time: 1356 <br /> Total Time: 87 min. Flow Gauge: to ' <br /> Total Volume Purged; 92 gal. Avg.Flow Rate: 1.1 gpm <br /> Water Depth After purging; Time: ' <br /> Dissolved Oxygen: 0.24 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 CONDUCT=Y pH Gallons ' <br /> (°C (umhos/cm) Purged <br /> 1240 20.4 966 5.18 31 ' <br /> 1324 20.6 979 5.10 62 <br /> 1356 20.8 979 5.07 92 ' <br /> 1405 Sample ' <br /> Comments: Silty with strong odor. ' <br /> 1 <br /> 1 <br />