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MONITORING WELL SAMPLING DATA , <br /> Project Name:Former Vintage Carwash Project Number: S9183-06-02 ' <br /> Well No.: MW-6 Date: 02/09/09 <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: 29.59 ft. 2 in..1632 GaUft. 4 in.—:6528 GaUft. <br /> Calculated Water Column Volume: 5.29 gal. Volumes Purged: 3.0 ' <br /> Start Purging Time: 1213 End Purging Time: 1222 <br /> FWater <br /> ime: 9 min, Flow Gauge: to , <br /> olume Purged: 16 gal. Avg.Flow Rate: 1.8 gpm <br /> epth After Purging: Time:ed Oxygen: 0.43 mg/l Free Product: (l); Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Submersible Pump Sampling Method: Disposable Bailer ' <br /> Laboratory Analysis: TPHg,BTEX,FOCs,VOCs,Acetone,Bromate,CrVI <br /> T11\4E TEMPERATURE CONDUCTIVITY pH Gallons , <br /> (°C) (umhos/cm) Purged <br /> 1216 20.8 1,175 6.78 5 ' <br /> 1219 20.9 1,137 6.77 10 <br /> 1222 21.0 1,134 6.75 16 ' <br /> 1232 Sample ' <br /> Comments: Turbid ' <br />