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MONITORING WELL SAMPLING DATA <br /> Project Name: Former Vintage Carwash Project Number: 59183-06-02 <br /> Well No.: MW-7 Date: 04/15/09 <br /> ' Well Diameter: 2 in. Field Personnel: AE/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: 3.1 <br /> ' Start Purging Time: 0927 End Purging Time: 0936 <br /> Total Time: 9 min. Flow Gauge: to <br /> ' Total Volume Purged: 16 gal. Avg.Flow Rate: 1.8 gpm <br /> Water Depth After Purging: Time: <br /> ' Dissolved Oxygen: 4.10 mg/1 Free Product: (N); Thickness: <br /> ' SAMPLING CHARACTERISTICS <br /> Purging Method: Submersible Pump I Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis:TPHg,BTM 1,2-DCA,Ethanol,Naphthalene,Acetone,Bromate,CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C) (umhos/cm) Purged <br /> ' H09"3019.01,867 6.75 5 <br /> 1,683 6.67 10 <br /> 1,642 6.61 16 <br /> Sample <br /> Comments: Turbid,no odor. <br />