This module introduces concepts used in the development of human health ambient water quality criteria (AWQC), as well as the methods for deriving these criteria. The Supplemental Topics Modules present text-based information across a sequence of pages that include links to further information and resources and then a brief quiz at the end. Because these modules are supplemental, they are not associated with the Certificate of Completion earned by completing the Key Concepts modules.
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Executive Order 14057
