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i <br /> BROWN & ROOT ENVIRONMENTAL <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> i <br /> Site Name E-Z Serve #100966 Job # MY47 <br /> i <br /> Location 2537 Waterloo, Stockton, CA Date 6115196 <br /> Samplers T Nicotera\A Lamb Well ID MW-2 <br /> Weather Clear and sunny --78 °F <br /> WATER COLUMN INFORMATION (ft ) 111 <br /> a Depth to Water 52 69 TOC Elevation 96 02 <br /> b Total Well Depth 9Q 34 Water Table Elevation 4333 <br /> c Length of water column 37 fi5 Well Diameter, 4" <br /> d Well Casing Volume 2462 <br /> e Well Screen Length 10' Ell All datum are reletive to a <br /> If TOTAL WELL VOLUME 2462 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 f@ 24 62 gal per well vol 1 123 11 <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 .1 7-H - 55 gallon drums <br /> Volume Specific <br /> Removed(gal } Time T°c pH Conductance Desarepttom Odor Comments <br /> S2 2!. <br /> 5 Z „ <br /> t23 <br /> Sample t S Z ^ !+ <br /> SAMPLE COLLECTION METHOD <br /> Method Disposable Teflon Bailer <br /> Sample Containers 40 ml VOA vials <br /> Sample Preservation HCL and ICE to 41c <br /> An EPA Method 8020 + MTBE, EPA Method 8015 mod - TPHg <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS <br />