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MONITORING WELL SAMPLING DATA <br /> ff'ProjectName: mer VintageCarwash Project Number: S9183-06-02 <br /> Date: 03/02/09 <br /> in. Field Personnel: JJE/MOB <br /> Casin Len 64 ft. Screened Casing Length: 38 ft. <br /> Well Elevation: 11.63 feet above MSL <br /> ' PURGE CHARACTERISTICS <br /> Water Depth Before Purging: 29.54 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 5.62 gal. Volumes Purged: 3.0 <br /> Start Purging Time: 1028 End Purging Time: 1040 <br /> ' Total Time: 12 min. Flow Gauge: to <br /> Total Volume Purged: 17 gal. Avg.Flow Rate: 1.4 gpm <br /> Water Depth After Purging: Time: <br /> Dissolved Oxygen: 1.94 mg/l Free Product: (1);Thiclmess: <br /> SAMPLING CHARACTERISTICS <br /> ' Purging Method: Submersible Pump Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis: Acetone,Bromate,CrVI <br /> CONDUCTIM Y pH Gallons <br /> TIME TEMPERATURE Purged <br /> (00 (umbos/cm) <br /> 1032 <br /> 20.1 1,271 6.71 6 <br /> 1036 <br /> 20.9 1,257 6.80 12 <br /> ' <br /> 1040 21.0 1,263 6.83 17 <br /> ' Sample <br /> 1050 <br /> Comments: Silty,no odor. <br /> 1 <br />