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MOIIT01UNG WELL, SAMPLING DATA <br />' Project Name Shop 10 Maintenance Sta Project Number 58475-06-24C <br /> Well No MW-9 Date 12/10/02 <br />' Well Diameter 4 in Field Personnel JE/DW <br />' <br /> ECas,,,ng Length 66 6 feet Screened Casing Length NA <br /> levation 22 02 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 45 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> ICalculated Water Column Volume 9 23 Gal Volumes Purged 3 0 <br />' Start Purging Time 1318 End Purging Time 1334 <br /> Total Time 16 min Flow Gauge to <br />' Total Volume Pumped 28 Gal Avg Flow Rate 175 gpm <br /> Water Depth After Purging feet Time <br /> i <br /> SA1i11P1LING CffiARACTERISTICS <br /> Purging Method Submersible Pump 11 Sampling Method Disposable Bailer <br />' Laboratory Analysis TPHg,TPHd,BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br />' °C (umhos/cm) Purged <br /> 1323 21 1 405 645 9 <br />' 1328 215 418 646 18 <br /> 1334 216 412 654 28 <br /> I <br /> 1344 Sample <br />' <br /> Comments Purge water clear <br />' Turbidity= 19 ntu <br /> • <br /> I <br />