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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-7 Date: 02/09/09 <br /> Well Diameter: 2 in. Field Personnel: JJF../RB <br /> Casing Length: 60 ft. Screened Casing Length: 30 ft. <br /> Well Elevation: 11.73 feet be MSL <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Purging: 28.60 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 5.12 gal. Volumes Purged: 3.1 <br /> Start purging Time: 1555 End Purging Time: 1605 <br /> ' Total Time: 10 min. Flow Gauge: to <br /> ' Total Volume Purged: 16 gal. Avg.Flow Rate: 1.6 gpm <br /> Water Depth After Purging: Time: <br /> ' Dissolved Oxygen: 4.21 mg/1 Free Product: (N;Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Submersible Pump Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis: TPHg,BTEX,FOCs,VOCs,Acetone,Bromate,CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> Purged <br /> (aC) (umbos/cm) <br /> 1157 18.9 1,430 6.87 5 <br /> 1602 20.0 1,442 6.74 10 <br /> ' 1605 19.3 1,443 6.71 16 <br /> 1615 Sample <br /> ' Comments:Turbid,no odor. <br />