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CHESTER HITCHENS <br />~~ <br />.i <br />Chester Hitchens is a hydrogeologist with CGRS, Inc, with twelve years of professional <br />experience at providing services specializing in design and implementation of site <br />investigations involving petroleum and petrochemical products. Mr. Hitchen's <br />background includes: <br />Specialization <br />• Contaminant recovery system design, including soil vapor extraction, air sparging <br />and hydraulic containmenVrecovery <br />• Management of petroleum cleanups <br />• Air rotary, mud rotary, reverse rotary and auger drilling <br />• Groundwater sampling techniques for both organic and inorganic contaminants, <br />organic and biomonitodng analyses <br />• Communication with state and other regulatory agencies <br />• Prepurchase environmental investigations <br />• RBCA and expert witness <br />Education <br />M.S. (in progress) Geology- Colorado State University <br />B.A. Geology -University of Northern Colorado <br />ASTM RBCA Training <br />Affiliations <br />• Wyoming Professional Geologist #817 <br />• New Mexico Environment department Certified Scientist #087 <br />• Colorado Petroleum Storage Tank Fund Registered Professional Environmental <br />Scientist #5148 <br />• Certified Washington State Site Association <br />• Association of Ground Water Scientists and Engineers <br />• South Dakota Certified Petroleum Release Remediator #R-141 <br />• Instructor Hydrogeology -University of Northern Colorado <br />Representative Experience <br />• Managed over 75 investigation and remediation projects at service stations, bulk <br />plants, industrial facilities and automobile dealerships. <br />• Negotiated closure and clean up stipulations with various regulatory agencies, both <br />with and without performing remedial activities. <br />• Served as an expert witness regarding various technical aspects of an alleged <br />gasoline loss in a residential subdivision, including date of release, volume of <br />release and hydraulic characteristics of the aquifer. <br />• Served as technical advisor for a responsible party (RP) associated with a gasoline <br />release to a surface water body. The RP was issued a Notice of Violation from the <br />United States Environmental Protection Agency. Mr. Hitchens provide technical <br />assistance to the RP's attorney and negotiated with the state of Idaho attorney <br />general to prepare a Content Decree for the proposed clean up activities at the <br />facility. <br />Page 1 <br />