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MONITORING WELL SAMPLING DATA <br />' Protect Name Stockton Maintenance Sta Protect Number 58475-06-24 <br />' Well No MW-6 Date 5110/02 <br /> Well Diameter 4 in Field Personnel 7E , <br />' Casing Length 73 35 feet Screened Casing Length <br /> Well Elevation feet MSL measured from <br />' PURGE CHARACTERISTICS <br />' Water Depth Before Purging 48 36 ft 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Water Column Volume 16 31 Gal Volumes Purged 3 0 <br />' Start Purging Time 0938 End Purging Time 1952 <br /> Total Time 14 min Flow Gauge to <br /> Total Volume Pumped 49 Gal Avg Flow Rate 3 5 gpm <br /> Water Depth After Purging feet Time <br /> SAMEPLING CHARACTERISTICS <br /> Purging Method Submersible Pump 11 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 /> 0942 199 614 711 17 <br />' 0947 203 608 7 10 34 <br /> 0952 206 610 707 49 <br /> 1005 Sample <br /> Comments Purge water turbid, slight odor <br /> =ur = -035 ntu <br /> 1 <br />