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1 <br /> MONITORING WELL SAMPLING DATA 1 <br /> Project Name: Former Vintage Carwash Project Number: S9183-06-02 1 <br /> Well No.: GWX-1 Date: 02/09/09 <br /> Well Diameter:4 in. Field Personnel: JJE/RB 1 <br /> Casing Length: 62 ft. Screened Casing Length: 38 <br /> IF—Well Elevation: 12.66 feet above MSL 1 <br /> PURGE CHARACTERISTICS 1 <br /> Water Depth Before Purging: 29.80 ft. 2 in.=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume:21.02 gal. Volumes Purged: 3.0 1 <br /> Start Purging Time: 1314 End Purging Time: 1350 <br /> Total Time: 36 min. Flow Gauge: to 1 <br /> Total Volume Purged: 64 gal. Avg.Flow Rate: 1.8 gpm <br /> Water Depth After Purging: Time: 1 <br /> Dissolved Oxygen: 0.20 mg/1 Free Product: (1);Thickness: <br /> 1 <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump Sampling Method:Disposable Bailer 1 <br /> Laboratory Analysis: TPHg,BTEX,FOCs,VOCs,Acetone,Bromate, CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons 1 <br /> (°C) (umhos/cm) Purged <br /> 1327 21.5 1,565 6.52 21 1 <br /> 1343 21.2 1,527 6.49 42 <br /> 1350 21.0 1,556 6.44 63 1 <br /> 1405 Sample 1 <br /> Comments: Clear with strong odor 1 <br /> i <br /> 1 <br /> 1 <br />