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GenX

October 28, 2021

US EPA publishes final toxicity assessment for GenX chemicals

Sets maximum daily intake limit of 3 ng/kg body weight/day for hexafluoropropylene oxide (HFPO) dimer acid and its ammonium salt; final value is much lower than first suggested in earlier 2018 draft assessment, also lower than set reference dose for the hazardous chemical PFOA it was developed to safely replace
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