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I <br /> MONITORING WELL SAMPLING DATA <br /> Protect Name Shop 10 Maintenance Sta Project Number S8475-06-24J <br /> I <br />' Well No MW-25 Date 03/23/04 <br /> Well Diameter 4 in Field Personnel JE/LF <br /> r ' <br /> Casing Length 75 00 feet Screened Casing Length <br /> Well Elevation 21 95 feet above MSL , <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 51 I9 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 15 54 Gal Volumes Purged 3 0 <br /> Start Purging Time 1052 End Purging Time 1118 <br /> Total Time 26 min Flow Gauge to <br />' Total Volume Pumped 47 Gal Avg Flow Rate 1 8 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump 11 Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br />' TRAE TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1101 21 6 681 748 16 <br />' 1110 212 685 729 32 <br /> 1118 209 684 749 47 <br />' 1120 Sample <br /> Comments Purge water clear <br /> Lrbidity=32 ntu <br />