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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: 03/30/09 <br /> Well Diameter: 2 in. Field Personnel: JJE/MOB ' <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: 29.30 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 5.34 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 1.052 End Purging Time: 1104 <br /> Total Time: 12 min. Flow Gauge: to ' <br /> Total Volume Purged: 16 gal. Avg.Flow Rate: 1.3 gpm <br /> Water Depth After Purging: Time: ' <br /> Dissolved Oxygen: 5.77 mg/l Free Product: (l);Thickness: <br /> 1 <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 /> (°G (umhos/cm) Purged <br /> 1055 20.7 1,239 6.89 5 ' <br /> 1059 21.3 1,203 6.80 10 <br /> 1104 21.4 1,196 6.80 16 ' <br /> 1115 Sample ' <br /> Comments: Clear,no odor ' <br />