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M®NITOPdNG WELL SAMPLING DATA <br /> Protect Larne Shop 10 Maintenance Sta Protect Number 58475-06-24A <br /> Well No MW-24 Date 7/9/02 <br /> Well Diameter 4 in Field Personnel JE/CK <br /> Casing Length 88 00 feet Screened Casing Length NA <br /> Well Elevation 21 50 feet above MSL <br /> i <br /> PURGE CHARACTERISTICS <br />' Water Depth Before Purging 50 02 ft 2 in = 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 24 79 Gal Volumes Purged 3 0 <br /> Start Purging Time 1114 End Purging Time 1 143 <br /> Total Time 29 min Flow Gauge to <br /> Total Volume Pumped 75 Gal Avg Flow Rate 2 6 gpm <br /> Water Depth After Purging feet Time <br /> SAMPLING CHARACTERISTICS <br /> Purging Method Submersible Pump Sampling Method Disposable Bailer <br /> Laboratory Analysis TPHg, TPHd, BTEX, 5 FOCs by EPA Test Method 8260 <br /> TIME TEMPERATURE CONDUCTIVITY pH Gallons <br /> (°C) (umhos/cm) Purged <br /> 1120 257 459 862 25 <br /> 1126 23 5 481 823 50 <br /> 1143 227 477 824 75 <br /> 1155 Sample <br /> Comments Purge water clear <br /> Turbidity=- 010 ntu <br />