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MONITORING WELL SAMPLING DATA <br /> ' Project Name: Former Vintage Carwash Project Number: S9183-06-02 <br /> WeIlNO.: MW-1 Date: 02/17/09 <br /> Well Diameter: 4 in. Field Personnel:MOB/RB <br /> Casing Length: 75 ft. <br /> Screened Casing Length: 25 ft. <br /> Well Elevation: 12.08 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging: 29.90 ft. 2 in=.1632 Gal/ft. 4 in=.6528 Gal/ft. <br /> Calculated Water Column Volume: 29.44 gal. Volumes Purged: 3.0 <br /> ' Start Purging <br /> Time: 1150 End Purging Time: 1305 <br /> Total Time: 75 min. <br /> Flow Gauge: to <br /> Total Volume Purged: 89 gal. Avg.Flow Rate: 1.2 gpm <br /> ' Water Depth After Purging: Time: <br /> Dissolved Oxygen: 0.09 mg/1 Free Product: (N);Thickness: <br /> SAMPLING CHARACTERISTICS <br /> 1' purging Method:Deep Submersible Pump Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis: Acetone,Bromate,and CrVI <br /> TENIPERAT[IRE CONDUCTIVITY pH Gallons <br /> TIME (OC) Purged <br /> (umhos/cm) <br /> ' <br /> 1215 19.6 1,261 6.82 30 <br /> 1240 <br /> 19.7 1,267 6.67 60 <br /> 18.9 1,273 6.65 89 <br /> 1305 <br /> Sample <br /> 1315 <br /> ,I <br /> Comments: Strong odor. Clear <br />