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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: 04/15/09 <br /> iWell 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 CHARACTERISTICS <br /> Water Depth Before Purging: 29.45 ft. 2 in.=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> ' Calculated Water Column Volume: 29.74 gal. Volumes Purged: 3.0 <br /> Start Purging Time: 1150 End Purging Time: 1250 <br /> Total Time: 60 min. Flow Gauge: to <br /> ' Total Volume Purged: 90 gal. Avg.Flow Rate: 1.5 gpm <br /> Water Depth After Purging: Time: <br /> ' Dissolved Oxygen: 0.29 mg/l Free Product: (k);Thickness: <br /> SAMPLING CHARACTERISTICS <br /> Purging Method: Deep Submersible Pump Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis: TPHg,BTEX, 1,2-DCA,Ethanol,Naphthalene,Acetone,Bromate,CrV1 <br /> TIME TEMPERATURE, CONDUCT1VITy pH Gallons <br /> (°C) (umhos/cm) Purged <br /> 'J <br /> 1250 Sample <br /> 1 <br /> '1 <br /> Comments: Clear with strong hydrocarbon odor. <br /> pH meter not working. <br />