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b ' <br /> MONITORING WELL SAMPLING DATA <br /> ' <br /> Project Name Stockton Maintenance Sta Project Number 58475-06-24K <br /> ] <br /> ' Well No MW-11 Date 05/27/04 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> ' Casing Length 78 feet Screened Casing Length NA <br /> Well Elevation 2149 feet above MSL <br /> PURGE CACTERISTICS <br /> ' Water Depth Before Purging 52 01 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 97 Gal Volumes Purged 3 0 <br /> Start Purging Time 0956 End Purging Time 1015 <br /> Total Time 19 min Flow Gauge to <br /> ' Total Volume Purnpe 51 Gal Avg Flow Rate 2 7 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING 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 I CONDUCTIVITY pH Gallons <br /> °C (umhos/cm) Purged <br /> 1002 199 1141 863 17 <br /> 1009 21 8 1086 803 34 <br /> 1015 217 1093 799 51 <br /> It' 1020 Sample <br /> ' Comments Purge water clear <br /> Turbidity=29 ntu <br />