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1 <br /> CG CHESTER HITCHENS <br /> � <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 containment/recovery <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 biomonitoring 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 /> 1 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 /> ' 0 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 />