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MONITORING WELL SAMPLING DATA <br /> =Project me Stockton Maintenance Sta Project Number S8475-06-2414 , <br /> Well No MW-12 Date 913103 <br /> Well Diameter 4 in Field Personnel JE <br /> Casing Length 82 80 feet Screened Casing Length NA <br /> Well EIevation 22 82 feet above MSL <br /> PURGE CHARACTERISTICS <br /> CTERISTICS <br /> IFCalculated <br /> th Before Purging 53 49 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Water Column Volume 19 13 Gal TVolumes Purged 3 0 <br /> Start Purging Time 0833 End Purging Time 0859 <br /> Total Time 26 man Flow Gauge to <br /> Total Volume Pumped 58 Gal Avg Flow Rate 2 2 gpm <br /> Water Depth After Purging feet Time <br /> SAMEP]LING 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 (umbos/cm) Purged <br /> 0842 22 1 432 729 20 <br /> 0851 21 5 448 732 40 <br /> 0859 214 444 729 58 <br /> 0905 Sample <br /> Comments Purge water clear <br /> Well cap needs replacement <br /> Turbidity= 27 ntu <br /> I <br />