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David A. Sholes <br /> ' Senior Project Geologist <br /> Environmental Services Division <br /> ' PROFESSIONAL EXPERIENCE <br /> ' The Twining Laboratories, Inc. - June 1997 to Present, and 1986 to 1988 <br /> Mr. Sholes has more than 14 years of experience as a geologist/hydrogeologist with 10 years <br /> ' related to underground storage tanks projects. His experience includes managing assessment and <br /> remediation activities including tank removal, delineating impacted areas, soil and groundwater <br /> remediation, quarterly monitoring, closure plans, and negotiations with regulatory agencies. He <br /> ' has managed soil and groundwater projects impacted by petroleum hydrocarbons, chlorinated <br /> solvents, and heavy metals. He is also experience in mine closure and reclamation planning. <br /> ' Geomatrix Consultants, Senior Geologist, 1996 <br /> Fugro West, Inc., Office Manager, 1994-1996 <br /> SSB Environmental Consultants, President, 1988-1994 <br /> ' Teledyne Tungsten, Geologist, 1982-1986 <br /> REGISTRATIONS <br /> ' Registered Geologist, California, No. 4321 <br /> Registered Geologist, Arizona, No. 27805 <br /> Certified Engineering Geologist, California, No. 1687 <br /> Certified Engineering Geologist, Oregon, No. E1508 <br /> Registered Environmental Assessor, California, No. 690 <br /> ' EDUCATION <br /> ' California State University, Fresno <br /> Master of Arts, Geology, 1982 <br /> ' California State University, Bakersfield <br /> Bachelor of Science, Biology, 1977 <br /> ' PROFESSIONAL AFFILIATIONS <br /> National Water Well Association <br /> ' Association of Groundwater Scientists and Engineers <br /> ' 3-516F.S (6/97) 1 The Twining Laboratories, Inc. <br />