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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 6/15/96 <br /> Samplers T Nicotera\A Lamb Well ID MW-6 <br /> Weather Clear and sunny --78 OF <br /> WATER COLUMN INFORMATION (ft ) (1] <br /> a Depth to Water 52 35 TOC Elevation 95 61 <br /> b Total Well Depth 80 14 Water Table Elevation 4326 <br /> c Length of water column 27 79 Well Diameter 2" <br /> d Well Casing Volume 453 <br /> e Well Screen Length 10, (11 All datum are reletive to a <br /> f TOTAL WELL VOLUME 453 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 (@ 4 53 gal per well vol 1 2279 <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 /> • SpecificV <br /> Volume <br /> Removed 1 a# I Time T°c PH Conductance Descnpnom Odor Comments <br /> 3 135 1 8 D <br /> t3 <br /> Sample c Z- 7+ I o h <br /> SAMPLE COLLECTION METHOD <br /> Method Disposable Teflon Bailer <br /> Sample Containers 40 ml VOA vials <br /> Sample Preservation HCL and ICE to 40c <br /> nalyses EPA Method 8020 + MTBE, EPA Method 8015 mod - TPHg <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS <br />