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BROWN & ROOT ENVIRONMENTAL <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Site Name E-Z Serve #100878 Job # MY41 <br /> Location 1012 W Yosimite Ave, Manteca, CA Date 6/17196 <br /> Samplers T Nicotera\A Lamb Well ID MW-7 <br /> Weather Clear and sunny --75°F <br /> WATER COLUMN INFORMATION (ft } 111 <br /> a Depth to Water 14 18 TOC Elevation 9760 <br /> b Total Well Depth 2907 Water Table Elevation 8342 <br /> c Length of water column 1489 9 Well Diameter Z" <br /> d Well Casing Volume 243 <br /> e Well Screen Length 10, [11 All datum are reletive to a <br /> f TOTAL WELL VOLUME 243 measurment point located on <br /> the TQC <br /> WELL PURGING DATA <br /> a Purge Method 2" Grundfros Reda-Flow submersible pump <br /> b Purge Vol [@ 2 43 gal per well vol ) 1221 <br /> c Field Water Quality Monitoring Equipment pH - Cole Palmer 5900 00, Cond - Hanna HI$733 <br /> d Pump Flow Rate 1 0 gpm <br /> e Method of Purge Water Disposal 17-H - 55 gallon drums <br /> Volume Specific <br /> Removed (gal ). Time T°c pH Conductance DescripUom Odor Comments <br /> I t52 Z5 :S7 Stl-EA <br /> s <br /> 24-D <br /> Sample 1 <br /> SAMPLE COLLECTION METHOD: <br /> Method Disposable Teflon Bailer <br /> Sample Containers 40 ml VOA vials <br /> I Sample Preservation HCL and ICE to 40c <br /> Analyses EPA Method 8020 k MTBE, EPA Method 8015 mod - TPHg <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS <br /> i I <br /> I <br /> Vlei I iii li� illi ''I It °I �I� ! II la lul' i k III iul IEI , i II ' i I kl1` "i1 1i 1�I I <br />