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MONITORING WELL SAMPLING DATA <br /> Protect Name STOCKTON YARD Protect Number S8100-06-62 <br /> Well No VW-1 Date 4123196 <br /> Well Diameter 4 in Field Personnel IM BL <br /> ' Casing Length 66 feet Screened Casing Length 55' <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 61 12 ft 2 in= 1632 GaUft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 2 9 Gal Volumes Purged 3 4 <br /> Start Pumping Time 1001 End Pumping Time 1015 <br /> Total Time 14 min Flow Gauge 22634 to 22644 <br /> Total Volume Pumped 10 Gal Avg Flow Rate 0 7 gpm <br /> Water Depth After Pumping 65 45 feet Time 1015 <br /> SAN TLING CHARACTERISTICS <br />' Sampling Method 2"disposable bailer <br /> Laboratory Analysis TPHg, TPHd,BTEX,MTBE <br />' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°F) (umbos/cm) Purged <br />' 1006 698 1291 701 2 <br /> 1005 705 1336 685 4 <br /> 1008 707 1322 681 8 <br /> 1015 725 1329 677 10 <br />' 1100 sample <br />' comments <br /> Draw Down 4 33' <br />' %Recovery (80%=61 99) <br /> Sample c 61 9' =82% Recovery <br />