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II MONITORING WELL SAMPLING DATA <br /> 'I Project Name: Former Vintage Carwash Project Number: S9183-06-02 <br /> Well No.: MW-1 Date: 03/02/09 <br /> IIWell Diameter: 4 in. Field Personnel: JJE/MOB <br /> ii Casing Length: 75 ft. Screened Casing Length: 25 ft. <br /> II Well Elevation: 12.08 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging: 29.53 ft. 2 in..1632 Gal/ft. 4 in=.6528 Gal/ft- <br /> Water <br /> Calculated Water Column Volume: 29.68 gal. Volumes Purged: 3.0 <br /> ' Start Purging <br /> Time: 1127 End Purging Time: 1203 <br /> Total Time: 36 min. Flow Gauge: to <br /> Total Volume Purged: 89 gal. Avg.Flow Rate: 2.5 gpm <br /> ' Water Depth After Purging: Time: <br /> ' Dissolved Oxygen: 0.10 mg/l Free Product: (l);Thickness: <br /> SAMPLING CHARACTERISTICS <br /> 1' purging Method:Deep Submersible Pump Sampling Method: Disposable Bailer <br /> ' Laboratory Analysis: Acetone,Bromate, and CrVI <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C (umhos/cm) Purged <br /> ' 201.0 1,266 6.94 30 <br /> 1139 <br /> 1151 <br /> 20.4 1,270 7.06 60 <br /> ' <br /> 1203 20.3 11273 6.94 89 <br /> Sample <br /> 1215 <br /> Comments: Clear with strong hydrocarbon odor. <br /> 1 <br />