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MONITORING WELL SAMPLING DATA <br /> =Projectme Stockton Maintenance Sta Protect Number 58475-06-24I <br /> Well No MW-8 Date 11/19/03 <br /> Well Diameter 4 in Field Personnel JE/DW <br /> Casing Length 76 60 feet Screened Casing Length NA <br /> Well Elevation 2196 feet above MSL <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Purging 53 58 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 15 02 Gal Volumes Purged 3 1 <br /> Start Purging Time 0752 End Purging Time 0810 <br /> Total Time 18 min Flow Gauge to <br /> Total Volume Pumped 46 Gal Avg Flow Rate 2 6 gpm <br /> Water Depth After Purging feet Time <br /> lie <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 /> 0758 191 951 7 14 15 <br /> 0804 200 973 727 30 <br /> 0810 206 973 733 46 <br /> 0820 Sample <br /> IComments Purge water clear, no odor <br /> I Duplicate sample collected <br /> Turbidity=23 ntu <br /> 0 <br />