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i <br /> i <br /> i <br /> MONITORING WELL SAMPLING DATA <br /> Eoject Name Stockton Maintenance Sta Protect Number 58475-06-24B <br />' Well No MW-11 Date 10/02/02 <br /> Well Diameter 4 in Field Personnel JE/CK <br />' Casing Length 78 feet Screened Casing Length NA <br /> [�W�ellElevation 2149 feet above MSL <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 28 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 79 Gal Volumes Purged 3 0 <br />' Start Purging Time 1427 End Purging Time 1444 <br /> Total Time 17 min Flow Gauge to <br />' Total Volume Pumped 51 Gal Avg Flow Rate 3 0 gpm <br /> Water Depth After Purging feet Time <br /> SAMIP1G,ING CIE3[4,RACTERISTI<CS � <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> I Laboratory Analysis TPHg, TPHd, BTEX, 5 FOCs by EPA Test Method 8260 <br />' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (OC) (umhos/cm) Purged <br /> 1433 225 527 697 17 <br /> 1438 213 553 682 34 <br /> 1444 21 1 538 681 51 <br /> 1 <br /> 1455 Sample <br /> 1 <br /> Comments Purge wate clear, no odor <br /> Turbidity= 17 ntu <br />