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Integrated Risk Information System (IRIS)

Published by U.S. EPA Office of Research and Development (ORD) - National Center for Environmental Assessment (NCEA) | U.S. Environmental Protection Agency | Metadata Last Checked: May 01, 2026 | Last Modified: 2014-01-31
EPA?s Integrated Risk Information System (IRIS) is a compilation of electronic reports on specific substances found in the environment and their potential to cause human health effects.

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