Administers the per-and polyfluorinated substances (PFAS) Response Program and the PFAS Fund, coordinating related activities within and across the divisions of the NHDES. Evaluates, plans, and integrates analysis of environmental data utilizing scientific expertise for investigating and testing for contamination caused by PFAS, formulating preliminary design for treatment systems, and for developing current and long-range strategies and policies. Serves as the NHDES primary point of contact for PFAS-related activities and contracts.