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MONITORING WELL SAMPLING DATA <br /> 1 Project Name 305 S Hutchens Ave Project Number 58080-06-03 <br /> ' Well No MW-1 Date 12/14/95 <br /> Well Diameter 2 inch Field Personnel IM/BL <br /> ' Casing Length 67 feet Screened Casing Length 20' (47 - 67 bgs) <br /> Well EIevation 47 19 feet MSL measured from Benchmark x+516 <br /> PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 55 97 ft 2 inch diameter casing = 0 1632 Gal/ft <br /> 4 inch diameter casing = 0 6528 Gal/ft <br /> Calculated Water Column Volume 2 1 gallons I Volumes Purged 3 <br /> ' Start Pumping Time 10 09 End Pumping Time 10 27 <br /> Total Time 18 min Flow Gauge <br /> ' Total Volume Pumped 7 gallons Avg Flow Rate 0 4 gpm <br /> Water Depth After Pumping 57 00 feet Time 10 27 <br /> SAMPLING CHARACTERISTICS <br /> Sampling Method/Equipment Disposable bailer <br /> ' <br /> Laboratory Analysis TPHg, TPHd BT <br /> EX, MTBE <br /> ' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> Purged <br /> 1011 676 1109 706 15 <br /> 1014 674 1084 634 30 <br /> 1024 673 1069 624 60 <br /> 1027 70 <br /> ' 1040 Sample <br /> Comments Total drawdown = 2 78 feet <br /> ' 80% Recovery = 54 78 feet <br /> Sample Depth = 54 38 feet <br />