James HahnenbergJames Hahnenberg has over 30 years of experience in the investigation and remediation of sediment and non-sediment Superfund sites. For more than 26 years, he served as a Remedial Project Manager (RPM) for several sediment Superfund sites in Regions 2 and 5, including the Fox River Superfund site in Wisconsin from 1997 to 2015, as well as the Manistique River/Harbor, Kalamazoo River, Pine River, St. Louis River, and Duluth sites. Prior to his time with EPA, Jim was a geologist in the oil and gas exploration industry for 9 years. Jim recently retired from EPA in January 2016. Congratulations Jim!!