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Access to both experimental and predicted environmental fate and transport data is facilitated by the US-EPA CompTox Chemicals Dashboard. Providing access to various types of data associated with ~900,000 chemical substances, the dashboard is a web-based application supporting computational toxicology research in environmental chemistry. When experimental physicochemical and fate and transport data are not available, QSAR models developed using curated datasets are used for the prediction of properties. These include: bioaccumulation factors, bioconcentration factors, and biodegradation and fish biotransformation half-lives. For chemicals of interest that are not already registered in the dashboard real-time predictions based on structural inputs are available. This presentation will provide an overview of the dashboard with a focus on the availability of environmental fate and transport data, access to real time predictions, and our ongoing efforts to harvest and curate available experimental data from the literature and online databases. This abstract does not necessarily represent the views or policies of the U.S. Environmental Protection Agency.