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1 <br /> MONITORING WELL SAMPLING DATA <br /> ' Project Name: Former Vintage Carwash Project Number: 59183-06-02 <br /> Well No.: MW-1 Date: 02/09/09 <br /> Well Diameter: 4 in. Field Personnel: JJE/RB <br /> Casing Length: 75 ft. Screened Casing Length: 25 ft. <br /> ' Well Elevation: 12.08 feet above MSL <br /> ' PURGE CHARpal/ <br /> ICS <br /> pWatberepth Before Purging: 29.87 ft. 2 Gal/ft. 4 in=.6528 Gal/ft. <br /> ' Calculated Water Column Volume:29.46 gal. urged: 3.0 <br /> Start Purging Time: 1425 ing Time: 1520Total Time: 55 min. ge: toTotal Volume Purged: 89 gal. w Rate: 1.6 gpmWater Depth After Purging:Dissolved Oxygen:0.17 mg/1 duct: (N); Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method:Deep Submersible Pump sampling Method: Disposable Bailer <br /> Laboratory Analysis:TPHg,BTEX,FOCs,VOCs,Acetone,Bromate, and CrVI <br /> TIME TEMPERATURE CONDUCTIV]TY pH Gallons <br /> (Ov) (umhos/cm) Purged <br /> ' 1445 23.1 1,288 6.48 30 <br /> 1501 21.6 1,299 6.61 60 <br /> 1520 20.3 1,290 6.55 89 <br /> 1536 Sample <br /> FComments: Clear with strong hydrocarbon odor. <br /> 1 � <br /> 1 <br />