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MONITORING WELL SAMPLING DATA. <br />' Protect Name Shop 10 Maintenance Sta Protect Number 58475-06-24D <br /> Well No MW-13 Date 3/17/03 <br /> Well Diameter 4 in Field Personnel JE/CK <br />' Casing Length 86 70 feet Screened Casing Length NA <br /> Well Elevation 21 12 feet above MSL <br />' PURGE CHARACTERISTICS <br /> Water Depth Before Purging 5141 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 23 03 Gal Volumes Purged 3 0 <br />' Start Purging Time 1413 End Purging Time 1436 <br /> Total Time 23 min Flow Gauge to <br /> Total Volume Pumped 70 Gal Avg Flow Rate 3 0 gpm j <br /> Water Depth After Purging feet Time <br /> SAlih1PLING CHARACTERISTICS <br />' Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg,TPHd, BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (umhos/cm) Purged <br /> 1421 21 1 881 723 23 <br />' 1429 214 886 721 45 <br /> 1436 21 3 891 723 70 <br /> 1440 Sample <br /> Comments Clear, Slight odor <br /> Turbidity= 17 ntu <br />