Notice of Extension of Comment Period on Draft Aquatic Life Criteria Document for Atrazine

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Section 304(a)(1) of the Clean Water Act (CWA) requires the Environmental Protection Agency (EPA) to develop and publish, and from time to time revise, criteria for water accurately reflecting the latest scientific knowledge. These criteria provide EPA's recommendations to states and authorized tribes as guidance in establishing their water quality standards as state or tribal law or regulation. On September 26, 2001, at 66 FR 49186, EPA published a notice of availability for a draft aquatic life criteria document for atrazine. Today, in response to an official request, EPA is notifying the public that the comment period on this draft aquatic life criteria document has been extended for an additional sixty days, until January 25, 2002. As discussed in the original Federal Register notice, EPA's Office of Pesticide Programs (OPP) released its preliminary ecological fate and effects risk assessment of atrazine for a sixty day comment period (66 FR 49180) concurrent with the EPA's Office of Water (OW) draft aquatic life criteria document. However, the 60-day time extension announced today is only for comments on OW's draft aquatic life criteria document. OPP's ecological fate and effe