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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 9/17196 <br /> Samplers R Roberts, V Millar Well ID MW-3 <br /> Weather Hot and sunny <br /> WATER COLUMN INFORMATION (ft [11 <br /> a Depth to Water 5987 TOC Elevation 96 10 <br /> b Total Well Depth 8996 Water Table Elevation 3623 <br /> c Height of water column 3009 Well Diameter 4" <br /> d Well Casing Volume (gals) 20 <br /> e Well Screen Length 20 [11 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 Redi-Flow submersible pump <br /> b Purge Vol (@ gal per well vol ) 59 4 gal (3x well volume) <br /> c Field Water Quality Monitoring Equipment Accumet 1002 pH, Hanna H18733 Gond meters <br /> d Pump Flow Rate (gpm) not available <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 /> 15 1930 22 7 14 1 29 cloudy no <br /> Sample 2019 <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 - TPHg <br /> Laboratory Centrum Analytical Laboratories, Inc located in Redlands, CA <br /> COMMENTS was not able to complete recording of pruging parameters <br />