Revision of National Recommended Water Quality Criteria for Acrolein and Phenol

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Pursuant to section 304(a) of the Clean Water Act (CWA), the Environmental Protection Agency (EPA) is announcing the revision and availability of draft updated national recommended water quality criteria for the protection of human health for acrolein and phenol. The draft criteria are partial updates based on EPA's Methodology for Deriving Ambient Water Quality Criteria for the Protection of Human Health (2000), EPA-822-B-00-004 (2000 Human Health Methodology) and will supersede previously published criteria when final. EPA's recommended section 304(a) water quality criteria provide guidance to States and authorized Tribes in adopting water quality standards for protecting human health and provide guidance to EPA for promulgating Federal regulations under CWA section 303(c), when such action is necessary.