Chris ChristensenChris Christensen, is an Environmental Hydrogeologist with the Michigan Department of Environment, Great Lakes and Energy (EGLE), Remediation and Redevelopment Division (RRD), in Grand Rapids since 1992. Chris works on both leaking underground storage tank sites as well as chlorinated solvent and surficial soil contamination sites. He is on RRD Technical Teams related to Incremental Sampling, Non-Aqueous Phase Liquids, Risk-based Corrective Action and Groundwater Modeling. He has advocated for Incremental Sampling use in Michigan since 2011; and contributed as a member of the ITRC ISM-2 team. Chris has a B.S. in Geology from Michigan State University, and an M.S. in Hydrogeology from Western Michigan University.