Regulation of PFOA, PFOS, and 1,4-Dioxane
DEC Commissioner Basil Seggos has announced the issuance of final water quality guidance values to regulate Perfluorooctanoic acid (PFOA), Perfluorooctanesulfonic acid (PFOS), and 1,4-Dioxane (1,4-D) in New York State waters. The finalized guidance values support the State's ongoing efforts to protect public health and the environment and prevent exposure to emerging contaminants through the protection of drinking water sources. Additionally, the new guidance values for PFOS and 1,4-Dioxane provide protection for aquatic life.
Division of Water Guidance Updates
DEC's Division of Water has issued three new/updated Technical and Operational Guidance Series (TOGS) documents related to the control of PFOA, PFOS, and 1,4-Dioxane that became effective March 15, 2023:
Addendum to “TOGS 1.1.1 (PDF): Ambient Water Quality Standards and Guidance Values and Groundwater Effluent Limitations” establishes water quality guidance values for PFOA, PFOS and 1,4-Dioxane.
A revision of “TOGS 1.3.7 (PDF): Analytical Detectability and Quantitation Guidelines for Selected Environmental Parameters.” establishes how DEC selects analytical test methods for water quality monitoring and determines reporting limits for those methods. This TOGS provides guidance on how to select analytical test methods for monitoring PFOA, PFOS, and 1,4-Dioxane.
A new “TOGS 1.3.13 (PDF): Industrial Permitting Strategy for Implementing Guidance Values for PFOA, PFOS, and 1,4-Dioxane” establishes how the guidance values for PFOA, PFOS, and 1,4-Dioxane will be prioritized for select SPDES permits to maximize environmental benefits.
Find more information in the March 15th Environmental Notice Bulletin and on DEC's website.
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