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MONITORING WELL SAMPLING DATA <br /> P _ _ <br /> Project Name Stockton Maintenance Sta Protect Number 58475 06 24I <br /> Well No MW-10 Date 11/19/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 76 20 feet Screened Casing Length NA <br /> Well Elevation 2179 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 80 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 14 62 Gal Volumes Purged 3 0 <br /> i Start Purging Time 1017 End Purging Time 1035 <br />! Total Time 18 min Flow Gauge to <br /> Total Volume Pumped 44 Gal Avg Flow Rate 2 4 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 /> I023 212 853 748 15 <br /> 1029 21 1 856 757 30 <br /> 1035 212 860 751 44 <br /> 1040 Sample <br /> Comments Purge water clear <br /> Ile <br /> Turbidity=41 ntu <br /> I <br /> I <br />