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MONI'T'ORING WELL SAMPLING DATA <br /> Protect Name Stockton Maintenance Sta Protect Number S8475-06-24J <br /> Well No VW-1 Date 03/24/04 <br /> Well Diameter 4 in Field Personnel JE/LF <br /> Casing Length 66 71 feet Screened Casing Length NA <br /> Well Elevation 2198 feet above MSL <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 51 84 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 9 71 Gal Volumes Purged 3 1 <br />' Start Purging Time 1418 End Purging Time 1432 <br /> Total Time 14 min Flow Gauge to <br /> Total Volume Pumped 30 Gal Avg Flow Rate 2 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 />' 1422 210 870 776 10 <br /> 1426 213 866 745 20 <br />' 1432 214 862 740 30 <br />' 1435 Sample <br />' Comments Purge water clear, strong hydrocarbon odor <br />' Turbidity= 101 ntu <br />