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Early consent‑order toxicity tests show diverse ecological effects; rodent studies pending
Summary
DEQ reported preliminary results from Chemours consent‑order aquatic toxicity studies and described varied organismal responses across five PFAS compounds; results will inform bioaccumulation/BFCs and support future ecological and regulatory analyses while rodent studies for human‑health endpoints remain in progress.
DEQ presented early results from the toxicity studies required under the Chemours consent order. The consent order required multiple aquatic and rodent toxicity tests for five targeted PFAS; results from three aquatic studies (algae growth inhibition, acute Daphnia, and 7‑day fish survival) are now available and show differing potency and dose‑response patterns among the compounds.
Frannie Nielsen summarized the aquatic results: one compound (PFMOAA) reduced…
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