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1 <br /> MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number S8475-06-24 <br /> ' Well No MW-11 Date 5/9/02 <br /> Well Diameter 4 in Field Personnel JE <br /> Casing Length 60 feet Screened Casing Length <br /> [:Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 48 05 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 7 80 Gal Volumes Purged 3 1 <br /> Start Purging Time 0904 End Purging Time 0917 <br /> Total Time 13 min Flow Gauge to <br />' Total Volume Pumped 24 Gal Avg Flow Rate 1 8 gpm <br /> Water Depth After Purging feet Time <br /> SAIVTPILING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysts TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> OC (umhos/cm) Purged <br /> 0910 206 530 727 8 <br /> 0914 205 568 723 16 <br /> 0917 208 574 7 18 24 <br /> 1 <br /> 0935 Sample <br /> Comments Purge water clear, no odor <br /> Turbidity= -006 ntu <br /> I <br />