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MONITORING WELL SAMPLING DATA <br /> Project Name:Former Vintage Carwash Project Number: S9183-06-02 <br /> Well No.: MW-7 Date: 02/17/09 <br /> Well Diameter: 2 in. Field Personnel: MOB/RB <br /> Casing Length: 60 ft. Screened Casing Length: 30 ft. <br /> Well Elevation: 11.73 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging: 28.59 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 5.13 gal. Volumes Purged: 3.0 <br /> Start Purging <br /> Time: 1040 End Purging Time: 1046 <br /> Total Time: 6 min. <br /> Flow Gauge: to <br /> Total Volume Purged: 15.5 gal. Avg.Flow Rate: 2.6 gpm <br /> Water Depth After Purging: Time: <br /> Dissolved Oxygen: 4.09 mg/1 Free Product: (N);Thickness: <br /> SAMPLING CHARACTERISTICS <br /> ' purging Method: Submersible Pump Sampling Method: Disposable Bailer <br /> Laboratory Analysis: Acetone,Bromate, CrVI �GallonsTIIvlE TEMPERATURE CONDUCTIVITY pH d <br /> oC (umbos/cm) <br /> 1042 18.6 1,503 6.65 5 <br /> 1044 <br /> 20.2 1,460 6.60 10 <br /> 1046 <br /> 20.5 1,438 6.62 15.5 <br /> Sample <br /> 1055 <br /> rTurbid,no odor. <br /> aken at 1000 <br /> i <br />