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. BROWN & ROOT ENVIRONMENTAL <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Site Name E-Z Serve #100966 Job # MY47 <br /> Location 2537 Waterloo, Stockton, CA Date 6115196 <br /> Samplers T Nlcotera\A Lamb Well ID MW-7 <br /> Weather Clear and sunny --78 °F <br /> WATER COLUMN INFORMATION (ft ) [11 TOC Elevation 9635 <br /> a Depth to Water 52 92 <br /> b Total Well Depth 8668 �r Water Table Elevation 4343 <br /> c Length of water column 3376 <br /> Well Diameter 2" <br /> d Well Casing Volume 5 5d <br /> e Well Screen Length 10, [11 All datum are reletive to a <br /> f TOTAL WELL VOLUME 5 50 measurment point located on <br /> the TOC <br /> WELL PURGING DATA <br /> 2" Grundfros Reds-Flow submersible pump <br /> a Purge Method <br /> b Purge Vol [C@ 5 50 gal per well vol ] 2768 <br /> C Field Water Quality Monitoring Equipment pH - Cole Palmer 5900-00, Cond - Hanna Hi8733 <br /> d Pump Flow Rate 1 0 gpm <br /> e Method of Purge Water Disposal 17-H - 55 gallon drums <br /> Volume specific <br /> ToG pH Conductance Descriptiom Odor Comments <br /> Removed al M Time <br /> ry cfl Z91 l lx <br /> s s <br /> 2-7- <br /> V7 <br /> z2 ZZ <br /> Sample -4-L-LI I toll I I3Z0 I• <br /> SAMPLE COLLECTION METHOD. <br /> Method Disposable Teflon Bader <br /> Sample Containers 40 ml VOA vials <br /> Sample Preservation HCL and ICE to 40c <br /> Analyses EPA Method 8020 + MTBE, EPA Method 8015 mod - TPHg <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS <br />