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1 <br /> MONITORING WELL SAMPLING DATA <br /> 1 <br /> Project Name: Former Vintage Carwash Project Number: S9183-06-02 1 <br /> Well No.: MW-3 Date: 03/23/09 <br /> Well Diameter: 4 in. Field Personnel: JJE/MOB ' <br /> Casing Length: 75 ft. Screened Casing Length: 25 ft. <br /> Well Elevation: 10.88 feet above MSL 1 <br /> PURGE CHARACTERISTICS 1 <br /> Water Depth Before Purging: 27.93 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> KCalculated Water Column Volume: 30.73 gal. Volumes Purged: 3.0 1 <br /> ging Time: 0925 End Purging Time: 1040 <br /> me: 75 min. Flow Gauge: tolume Purged: 93 gal. Avg.Flow Rate: 1.2 gpm , <br /> Water Depth After Purging: Time: <br /> Dissolved Oxygen: 0.11 mg/1 Free Product: (1);Thickness: 1 <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump Sampling Method: Disposable Bailer 1 <br /> Laboratory Analysis:Acetone,Bromate,CrVI 1 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C) (umhos/cm) Purged <br /> 0950 19.4 1,306 7.40 31 1 <br /> 1015 20.4 1,337 7.01 62 <br /> 1040 93 1 <br /> 1050 Sample 1 <br /> Comments: Clear with strong odor. 1 <br /> i <br /> 1 <br /> 1 <br />