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I I <br /> i I I I <br /> MONITORING WELL SAMPLING DATA I' <br /> [Project Name 305 S Hutchins Ave Project Number 58080-06-03 <br /> Well No MW-1 Date 01/11/96 <br /> Well Diameter: 2 inch Field Personnel JJ/RS <br /> Casing Length 67 feet Screened Casing Length 20' (47 - 67 bgs) <br /> I � <br /> Well Elevation 4719 feet MSL measured from Benchmark #516 <br /> II , , <br /> � I ! <br /> PURGE CHARACTERISTICS 0 <br /> Water Depth Before: Pumping 53 47 ft 2 inch diameter casing = 0 1632 Gal/ft <br /> 4 inch diameter casing = 0 6528 Gal/ft <br /> it <br /> Calculated Water Column Volume 2 2 gallons Volumes Purged 6 <br /> Start Pumping Time 1146 End Pumping Time 1159 <br /> II r <br /> Total Tune 13 mm Flow Gauge <br /> Total Volume Pumped 13 5 gallons Avg Flow Rate 10 gpm <br /> Water Depth After Pumping 62 44 feet Tune 1159 <br /> I <br /> iSAMPLING CHARACTERISTICS <br /> Sampling Method/Equipment Disposable barter <br /> I , <br /> I I <br /> Laboratory Analysis TPHg, TPHd, BTEX, MTBE <br /> > I <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons - t I <br /> Purged <br /> 1149 655 922 691 2 0 <br /> 1152 683 971 684 45 <br /> I <br /> 1159 692 993 681 70 <br /> i I <br /> ' Sample <br /> of ,I <br /> Comments Total drawdown = 8 97 feet <br /> 80% Recovery = 55 26 feet I ' <br /> Sample Depth = 53 56 feet <br /> I <br /> I � <br /> I <br /> I <br />