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MONITORING WELL SAMPLING DATA <br />' Project Name Stockton Maintenance Sta Project plumber 58475-06-24D <br />' Well No MW-9 Date 3118103 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> Casing Length 78 04 feet Screened Casing Length NA <br /> Well Elevation 20 80 feet above MSL <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 50 36 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 18 06 Gal Volumes Purged 3 0 <br />' Start Purging Time 0846 End Purging Time 0902 <br /> Total Time 16 min Flow Gauge to <br />' Total Volume Pumped 55 Gal Avg Flow Rate 3 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 /> F7 <br />' TIME TEMPERATURE CONDUCTIVITYF pH Gallons <br /> OC (umhos/cm) Purged <br /> 0851 205 1182 837 18 <br />' 0856 202 1178 723 36 <br /> 0902 198 1194 720 55 <br /> 1 <br /> 0910 Sample <br /> Comments Purge water clear,no odor <br /> 1 <br /> Turbidity= 27 ntu <br />