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MONITORING WELL SAMPLING DATA <br /> Project Name 305 S Hutchins Ave Project Number 58080- - <br /> J 06 03 <br /> ' WeII No MW-4 Date 12/14/95 <br /> Well Diameter 2 inch Field Personnel IM/BL <br /> Casing Length 69 feet Screened Casing Length 20' (49 - 69 bgs) <br /> Well Elevation 45 80 feet MSL measured from Benchmark #516 <br /> ' PURGE CHARACTERISTICS <br /> Water Depth Before Pumping 52 75 ft 2 inch diameter casing = 0 1632 Gal/ft <br /> I4 inch diameter casing = 0 6528 Gal/ft <br /> Calculated Water Column Volume 2 7 gallons Volumes Purged 5 <br /> ' Start Pumping Time 12 10 End Pumping Time 12 17 <br /> Total Time 7 min Flow Gauge <br /> Total Volume Pumped 14 gallons Avg Flow Rate 2 gpm <br /> Water Depth After Pumping 53 13 feet Time 12 17 <br /> SAMPLING CHARACTERISTICS <br /> Sampling Method/Equipment Disposable bailer <br /> ' <br /> Laboratory Analysis TPHg, TPHd, BTEX, MTBE <br /> ' TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> Purged <br /> ' 1212 68 1 987 692 4 <br /> 1214 676 1002 6 85 8 <br /> ' 1217 674 1016 678 14 <br /> 70 <br /> ' 1230 Sample <br /> Comments Total drawdown = 0 38 feet <br />' 80% Recovery = 52 82 feet <br /> Sample Depth = 52 75 feet <br />