Donald Hanson manages cleanup projects for the Oregon Department of Environmental Quality (DEQ). He has 19 years of experience investigating and cleaning up sites in the western United States as a consultant and as a state regulator in Oregon. Don specializes in using innovative and cost-effective technologies to stabilize and clean up dry cleaners and other chlorinated solvent sites for DEQ's Dry Cleaner and Orphan programs. A graduate of California State University Humboldt, Hanson holds a B.S. in Geology. He has been a Registered Professional Geologist (RG) in Oregon since 1997.