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MONITORING WELL SAMPLING DATA <br /> Protect Name STOCKTON YARD Protect Number 58100-06-62 <br /> Well No MW-3 Date 4123/96 <br /> ' Well Diameter 4 in Field Personnel 1M/BL <br /> ' Casing Length 82 feet Screened Casing Length--- <br /> Well Elevation feet MSL measured from <br /> ' PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 60 90 ft 2 in= 1632 GaVft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 13 8 Gal Volumes Purged 3 <br /> ' Start Pumping Time 0843 End Pumping Time 0859 <br /> Total Time 16 mm Flow Gauge 22542 to 22583 <br /> ' Total Volume Pumped 41 Gal Avg Flow Rate 2 6 gpm <br /> Water Depth After Pumping 65 40 feet Time 0859 <br /> SAMPLING CHARACTERISTICS <br /> ' Sampling Method disposable bailer <br /> Laboratory Analysis TPHg, TPHd, BTEX,MTBE <br /> ' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°F) (umhos/cm) Purged <br /> ' 0850 691 1156 796 14 <br /> 0854 697 1134 791 28 <br /> ' 0859 700 1170 729 41 <br /> ' 0903 sample <br /> comments <br /> Draw Down 4 50' <br /> ' o Recover y 65 40-(4 5 x 8)=61 80 <br /> Sample @ 6164= 83 5 Recovery <br /> 1 <br />