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MONITORING WELL, SAMPLING DATA <br /> Project Name Shop 10 Protect Number 58100-06-62 <br /> ' Well No MW-20 Date 10/23/96 <br /> Well Diameter 4 in Field Personnel IM/RS <br /> Casing Length 90 90 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 60 49 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 19 85 Gal Volumes Purged 3 <br /> Start Pumping Time 1330 End Pumping Time 1343 <br /> Total Tlme 13 mm Flow Gauge 28228 to 28288 <br /> ' Total Volume Pumped 60 Gal Avg Flow Rate 4 6 gpm <br /> Water Depth After Pumping 72 23 feet Time 1343 <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 /> 1334 699 762 797 20 <br /> 1339 692 773 787 40 <br /> ' 1343 693 761 791 60 <br /> ' 1355 sample <br /> ' comments <br /> ' drawdown = 11 74 <br /> sample dtw 61 82 = 89 % recovery <br />