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MONITORING WELL SAMPLING DATA <br /> i <br /> Project Name Stockton Maintenance Sta Project Number 58475-06-24D <br /> Well No VW-2 Date 3118/03 <br /> F <br /> ell Diameter 4 in Field Personnel JE/CK <br />' szng Length 59 75 feet Screened Casing Length NA <br /> ell <br /> WE <br /> 22 18 feet above MSL <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 51 78 ft 2 to= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 11 73 Gal Volumes Purged 3 1 <br />' Start Purging Time 1512 End Purging Time 1523 <br /> Total Time 1 l min Flow Gauge to <br />' Total Volume Pumped 36 Gal Avg Flow Rate 3 3 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 /> (OC). (umhos/cm) Purged <br /> 1516 205 1032 707 12 <br />' 1519 200 1036 7 12 24 <br /> 1523 191 1040 737 36 <br /> 1 � <br /> 1530 Sample <br /> Comments Purge water clear, hydrocarbon odor <br /> Turbidity= 39 ntu <br /> 1 <br />