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HORIZON ENVIRONMENTAL INC. <br /> Specialists in Site Assessment,Remedial Testing,Design and Operation <br /> MONITORING WELL DATA LOG <br /> Station No. Village West Marina Date 10-29-96 <br /> E <br /> Site Address 6649 Embarcadero Drive, Stockton <br /> I>::I <br /> Job No. 2005.41 Sampled By Nate Graham <br /> =_! Well No. MW-8 Casing Elev. 11.96 Well Dia. 2" <br /> Depth to Water (Feet) 17.81 <br /> Groundwater Elevation -5.85 <br /> Total Depth 30.03 <br /> E -i Well Volume (Gallons) 2.1 <br /> Field Analysis <br /> i Time of Purge 0707 0708 0709 <br /> Cumul. Gallons Purged 2 4 6 <br /> Elec. Cond. (µmhos/cm) 9.30 9.15 9.10 <br /> f3 pH 6.60 6.21 6.01 <br /> Temperature (°F) 62.0 64.7 65.4 <br /> Dissolved Oxygen (mg/L) <br /> Turbidity sl cloudy A cloudy clear <br /> Product/Sheen none none none <br /> Odor none none none <br /> iF Total Volumes Purged 3 <br /> Total Gallons Purged 6 <br /> f' D.T.W. after Purging (Ft) 21.35 <br /> Purging Equipment 2-stage pump <br /> Sampling Equipment disposable bailer <br /> Sample Containers 2 VOAs <br /> Sample Storage Method on ice to the laboratory <br /> Notes: <br /> i J T.D.-D.T.W.x•vF=Casing Volume 'VF=gal./IL T x 0.17 C Y x 0.38 C 4"x O W C 8"x 1.50 <br />