• EGLE establishes new surface water values for two PFAS chemicals
    environmental Health

    EGLE establishes new surface water values for two PFAS chemicals

    The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has established a new Water Quality Value (WQV) for perfluorobutane sulfonic acid (PFBS) and has revised the existing WQV for perfluorooctanoic acid (PFOA). PFOA and PFBS are members of the larger group of per- and polyfluoroalkyl substances (PFAS). WQVs are designed to protect the designated uses of Michigan’s surface waters, including protections for aquatic life and public health. The agency’s Water Resources Division (WRD) determined that sufficient data was available to generate human health and aquatic life values for PFBS.  Following the risk assessment method provided in Rule 323.1057 (“Rule 57”), a PFBS concentration of 670,000 parts per trillion (ppt;…

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