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Draft Human Health Recreational Ambient Water Quality Criteria and/or Swimming Advisories for Microcystins and Cylindrospermopsin Documents

This draft document is superseded by the final recommended criteria and swimming advisories published in 2019 and is available for informational purposes only. You can view the final document and supporting information at regulations.gov (Docket ID No. EPA-HQ-OW-2016-0715) or view the final critera or swimming advisories by clicking the related information box on the right.

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