Colin is a physical scientist with the US EPA Office of Research and Development. Colin has 20 years of experience in applied drinking water research and policy. He has previously held positions managing an emerging contaminants (HABs, manganese, Legionella, PFAS) and lead and copper program at a state primacy agency as well as supervising SDWA primacy enforcement and rule making. He has conducted and published research on lead and copper corrosion, biological treatment, molecular methods, bioterrorism agent characterization and Legionella in premise plumbing.