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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 Nicotera\A Lamb Well ID MW-8 <br /> Weather Clear and sunny --78 IF <br /> WATER COLUMN INFORMATION (ft ) [11 <br /> a Depth to Water 5276 <br /> TOC Elevation 96 26 <br /> b Total Well Depth 8700 Water Table Elevation 4350 <br /> c Length of water column 3424 Well Diameter 2- <br /> d Well Casing Volume 5 58 <br /> e Well Screen Length 10, [1] All datum are reletive to a <br /> f TOTAL WELL VOLUME 5 58 measurment point located on <br /> "�— the TOC <br /> WELL PURGING DATA <br /> a Purge Method 2" Grundfros Redi-Flow submersible pump <br /> b Purge Vol {@ 5 58 gal per well vol 1 2808 <br /> c Field Water Quality Monitoring Equipment pH - Cole Palmer 5900-00, Cond - Hanna H18733 <br /> d Pump Flow Rate 1 0 gpm <br /> e Method of Purge Water Disposal 17-H - 55 gallon drums <br /> Specific <br /> Volume peacnptfam Odor Comments <br /> Removed (nal } Time Toc pH Conductance <br /> Sample <br /> SAMPLE COLLECTION METHOD <br /> Method Disposable Teflon Sailer <br /> Sample Containers 40 ml VOA vials <br /> Sample Preservation HCL and ICE to 40c <br /> nalyses EPA Method 8020 f MTBE, EPA Method 8015 mod - TPHg <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS <br />