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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-5 <br /> eather Clear and sunny —78 IF <br /> WATER COLUMN INFORMATION (ft ) I:1 <br /> a Depth to Water 52 46 TOC Elevation 95 77 <br /> b Total Well Depth 9082 Water Table Elevation 4331 <br /> C Length of water column 38 36 r Well Diameter 4" <br /> d Well Casing Volume 25 09 <br /> e Well Screen Length 10��, [1] All datum are reletive to a <br /> ment point located on <br /> f TOTAL WELL VOLUME 2509 the TO <br /> —� the TOC <br /> WELL PURGING DATA <br /> a Purge Method 2" Grundfros Redi-Flow submersible pump <br /> b Purge Vol (@ 25 09 gal per well vol ) 12544 <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 /> 5peafie <br /> Volume DescnpUam Odor Comments <br /> Removed 1 al Time T°c pH Conductance <br /> lZl 22 s -), I&V) <br /> 22Z 23,o -7, 'r <br /> Z <br /> Sample b 10 AZ• <br /> SAMPLE COLLECTION METHOD <br /> Method Disposable Teflon Batter <br /> Sample Containers 40 ml VOA vials <br /> Sample Preservation HCL and ICE to 4°C <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 />