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1' <br /> MONITORING WELL SAMPLING DATA <br /> ' Project Name: Former Vintage Carwash Project Number: S9183-06-02 <br /> ' Well No.: MW-7 Date: 03/30/09 <br /> Well Diameter:2 in. Field Personnel: JJE/RB <br /> ' Casing Length: 60 ft. Screened Casing Length: 30 ft. <br /> Well Elevation: 11.73 feet above MSL <br /> ' PURGE CHARACTERISTICS <br /> Water Depth Before Purging: 28.19 ft. 2 in.=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 5.19 gal. Volumes Purged: 3.0 <br /> ' Start Purging Time: 0940 End Purging Time: 0949 <br /> Total Time: 9 min. Flow Gauge: to <br /> ' Total Volume Purged: 15.5 gal. Avg.Flow Rate: 1.7 gpm <br /> Water Depth After Purging: Time: <br /> Dissolved Oxygen: 4.52 mg/l Free Product: (N);Thickness: <br /> 'j <br /> 1SAMPLING 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 /> ' 0943 20.2 1,571 6.55 5 <br /> 0946 21.0 1,558 6.58 10 <br /> ' 0949 21.2 1,554 6.66 15.5 <br /> 1000 Sample <br /> ' Comments: Turbid,no odor. <br /> Duplicate sample labeled MW-12 collected at 1010 <br /> i <br />