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MONITORING WELL SAMPLING DATA <br /> Project Name Shop 10 Maintenance Sta Project Number 58475-06-24F <br /> Well No VM-1 Date 6/16/03 <br /> Well Diameter 2 in Field Personnel JE/CK <br /> Casing Length 60 feet Screened Casing Length NA <br /> Well Elevation NA <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 51 55 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 1 37 Gal Tvolumes Purged 3 3 <br /> Start Purging Time 1402 End Purging Time 1406 <br /> Total Time 4 min Flow Gauge to <br />' Total Volume Pumped 4 5 Gal Avg Flow Rate 1 1 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 />' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> °C) (umhos/cm} Purged <br /> 1403 265 1006 651 1 5 <br />' 1405 25 1 955 667 3 <br /> 1406 24 1 932 679 45 <br /> 1410 Sample <br /> Comments Purge water silty, strong hydrocarbon odor <br /> JTurbidity=>1,000 ntu <br />