10.23645/epacomptox.11356499.v1 john wambaugh john wambaugh New Approach Methodologies for Chemical Risk Assessment The United States Environmental Protection Agency’s Center for Computational Toxicology and Exposure 2019 HTTK ToxCast ExpoCast TSCA new approach methodologies Toxicology 2019-12-11 21:00:32 Presentation https://epa.figshare.com/articles/presentation/New_Approach_Methodologies_for_Chemical_Risk_Assessment/11356499 Presentation given to ENVR 500 class at Univ of North Carolina at Chapel Hill November 2019