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1 . <br /> Co-extraction Well Installation Repo,, November4,1997 <br /> • vapor) in the aur in the parts per million range Air samples being tested are drawn <br /> continuously by means of a built-in pump and analyzed The Instruments will respond to <br /> numerous hydrocarbons Including petroleum products Results of the analysis are reported in <br /> parts per million and are used only as a qualitative field measure of potential soil <br />' contamination <br /> A portion of each recovered soil sample will be examined by a geologist The geologist will <br /> observe the soil and record the soil characteristics visually observed The soil description <br /> will be based on the Unified Soil Classification System Individual logs of each soil boring <br /> will be generated for use in site characterization and the site activity reports <br /> 1 <br /> 1 <br />' OST <br /> coexwell rpt <br /> 1 <br />