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1 ` <br /> MONITORING WELL SAMPLING DATA <br /> r <br /> Protect Name Stockton Maintenance Sta Protect Number 58475-06-24J <br /> rWell No MW-12 Date 03/24/04 <br /> Well Diameter 4 in Field Personnel JE/LF <br /> ' Casing Length 82 80 feet Screened Casing Length NA <br /> Well Elevation 22 82 feet above MSL <br /> r <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 52 12 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 20 03 Gal Volumes Purged 3 0 <br /> Start Purging Time 0934 End Purging Time 1001 <br /> Total Time 27 min Flow Gauge to <br /> rTotal Volume Pumped 61 Gal Avg Flow Rate 2 3 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLH'gG Cf1ARACTERIISTICS <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 />' 0943 207 890 737 20 <br /> 0952 206 927 732 40 <br />' 1001 205 957 768 61 <br /> 1005 Sample <br />' Comments Purge water clear <br /> 1 10 Turbidity= 32 ntu <br /> r <br /> r <br />