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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 Road, Stockton, CA Date 9117196 <br /> Samplers R Roberts, V Millar Well ID MW-6 <br /> Weather Hot and sunny <br /> WATER COLUMN INFORMATION (ft ) [1l <br /> a Depth to Water 5926 TOC Elevation 95 61 <br /> b Total Well Depth 8014 Water Table Elevation 3635 <br /> c Height of water column 2088 Well Diameter 2" <br /> d Well Casing Volume (gals) 3 <br /> e Well Screen Length 20 [1] All datum are relative to a <br /> f TOTAL WELL VOLUME measurment point located on <br /> the TOC <br /> WELL PURGING DATA <br /> a Purge Method 2" Grundfros Red+-Flow submersible pump <br /> b Purge Vol (@ gal per well vol ? 10 gal (3x well volume) <br /> c Field Water Quality Monitoring Equipment Accumet 1002 pH, Hanna H18733 cond meters <br /> d Pump Flow Rate (gpm) 07 <br />. e Method of Purge Water Disposal 17-H - 55 gallon drums <br /> Volume Specific <br /> Removed (gal ) Time T°c pH Conductance Description Odor Comments <br /> 3 1603 26 685 1 05 dk bwn no <br /> 11 1614 22 6 86 1 11 It bwn no <br /> Sample 1620 <br /> SAMPLE COLLECTION METHOD <br /> Method Disposable Teflon Bailer <br /> Sample Containers 40 ml VOA vials <br /> Sample Preservation HCL and ICE to 4 degrees centigrade <br /> Analyses EPA Method 8020 + MTBE, EPA Method 8015 mod - TPI-Ig <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS <br />