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MONITORING WELL SAMPLING DATA ' <br /> Project Name:Former Vintage Carwash Project Number: 59183-06-02 , <br /> Well No.: MW-6 Date: 02/23/09 <br /> Well Diameter: 2 in. Field Personnel: JJE/RB ' <br /> Casing Length: 62 ft. Screened Casing Length: 31 ft. <br /> Well Elevation: 11.51 feet above MSL ' <br /> PURGE CHARACTERISTICS , <br /> Water Depth Before Purging: 29.55 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 5.30 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 0958 End Purging Time: 1007 <br /> Total Time: 9 min. Flow Gauge: to ' <br /> Total Volume Purged: 16 gal. Avg.Flow Rate: 1.8 gpm <br /> Water Depth After Purging: Time: ' <br /> Dissolved Oxygen: 0.24 mg/l Free Product: (N); Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Submersible Pump Sampling Method: Disposable Bailer ' <br /> Laboratory Analysis: Acetone,Bromate, CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons ' <br /> (°C) (umhos/cm) Purged <br /> 1000 19.0 953 4.80 5 ' <br /> 1004 20.0 930 4.87 10 <br /> 1007 20.3 928 4.83 16 ' <br /> I <br /> 1040 <br /> Sample ' <br /> Comments: Silty,no odor, clears at approximately 6 gallons , <br />