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MONITORING WELL SAMPLING DATA <br /> ' Project Naine Stockton Yard Project Number 58100-06-11 B <br /> ' Well no MW-I Date 02/06/96 <br /> Well Diameter 4 in Field Personnel IM/DW/BL <br /> ' Casing Length 76 feet Screened Casing Length ft <br /> Well Elevation feet MSL measured from <br /> 1 <br /> PURGE CHARACTERISTICS <br /> ' Water Depth Before Pumping 62 9G ft= <br /> t 2 in= 1632 Gal/ft 4 in = 6528 Gal/ft <br /> Calculated Watei Column Volume 8 5 Gal Volumes Purged 3 <br /> ' Start I'urnping Time 1035 End Pumping Time 1050 <br /> I otal rime 15 min Flow Gauge 20440 to 20466 <br /> Total Volume Pumped 26 Gal Avg Flow Rate 1 7 gpm <br /> Water Depth After Pumping 62 96 feet Time 1245 <br /> SAMPLING CHARACTERISTICS <br />' Sampling Method Disposable Bailer <br /> Laboiatory Analysis TPI Ig/B1 EX/MTBE/TPHd <br />' TIME TEMPERA PURE CONDUCTIVITY pH Gallons <br /> Purged <br /> 1039 71 7 1251 85 <br /> 1045 720 1141 17 <br /> 1050 725 1137 26 <br /> 1245 602 sample <br /> comments Water is clear, slight odor, good recharge <br /> 62 96 @ 1245 = 100% recovery <br />