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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: 01/08/09 <br /> Well Diameter: 4 in. Field Personnel:MOB <br /> ' <br /> Casing Len 75 ft. Screened Casing Length: 25 ft. <br /> g � <br /> Well Elevation: 12.08 feet above MSL <br /> ' PURGE CHARACTERISTICS <br /> ' Water Depth Before Purging: 29.88 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 29.45 gal. Volumes Purged: 3.0 <br /> ' Start Purging Time: 1135 End Purging Time: 1211 <br /> Total Time: 36 min. Flow Gauge: to <br /> Total Volume Purged: 88.5 gal. Avg.Flow Rate: 2.5 gpm <br /> Water Depth After Purging: Time: <br /> Dissolved Oxygen: mg/1 Free Product: (1); Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method:Deep Submersible Pump Sampling Method: Disposable Bailer <br /> 'j Laboratory Analysis: TPHg,BTEX,FOCs,VOCs,Acetone,Bromate,and CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (OC) (umhos/cm) Purged <br /> 11 1147 19.1 1,303 6.52 30 <br /> 11 1159 20.1 1,291 6.52 60 <br /> 1211 20.2 1,298 6.52 88.5 <br /> 1220 Sample <br /> Comments: Clear with strong hydrocarbon odor. <br /> i <br /> Trip Blank @ 1200 <br />