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r <br /> MONITORING WELL SAMPLING DATA <br /> Protect Name Stockton Yard Project Number S8100-06-62 <br /> rWell No MW-5 Date 10/22/96 <br /> Well Diameter 4 in Field Personnel IM/RS <br /> ' Casing Length 74 5 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> r <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 60 21 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 9 3 Ga! Volumes Purged 1 3 <br /> Start Pumping Time 1050 End Pumping Tune <br /> Total Time inin Flow Gauge 27569 to 27581 <br /> ' Total Volume Pumped 12 Gal Avg Flow Rate gpm <br /> Water Depth After Pumping feet Time <br /> SAMPLING CHARACTERISTICS <br /> ' Sampling Method disposable bailer <br /> Laboratory Analysis TPHg,TPHd,BTEX, MTBE <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C) (umhos/cm) Purged <br /> r1108 21 0 683 74 9 <br /> r <br /> 1425 sample <br /> rcomments purged dry after 8 gallons, 12 gallons <br /> idrawdown= <br /> • % recovery= Allowed 2 hour recovery <br /> i <br /> 1 <br />