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MONITORING WELL SAMPLING DATA <br /> Protect Name STOCKTON YARD Protect Number 58100-06-62 <br /> Well No MW-2 Date 4122/96 <br /> Well Diameter 4 in Field Personnel IM/BL <br /> Casing Length 76 5 feet Screened Casing Length --- <br /> ' Well Elevation feet MSL measured from <br /> ' PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 61 12 ft 2 in= 1632 Galfft 4 to = 6528 Gal/ft <br /> ' Calculated Water Column Volume 10 GalVolumes Purged 3 <br /> ' Start Pumping Time 1502 End Pumping Time 1519 <br /> Total Time 17 min Flow Gauge 22477 to 22507 <br /> ' Total Volume Pumped 30 Gal Avg Flow Rate 1 8 gpm <br /> Water Depth After Pumping 63 72 feet Time 1519 <br /> SAMPLING CHARACTERISTICS <br /> ' Sampling Method disposable bailer <br /> Laboratory Analysis TPHg,TPHd,BTEX <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°F) (umhos/cm) Purged <br /> 1505 730 1218 704 10 <br /> ' 1509 726 1162 689 20 <br /> ' 1519 736 1143 686 30 <br /> ' 1526 J Sample <br /> comments <br /> Draw Down=2 60' <br /> ' % Recovery=6164 ft <br /> Sample @ 6163 ft = 80%Recovery <br />