"The assessment found that PFNA interferes with human development by causing lower birth weights and, based on animal evidence, likely causes damage to the liver and to male reproductive systems, including reductions in testosterone levels, sperm production and the size of reproductive organs. The report also calculated the amount of PFNA that people could be exposed to without being harmed - a critical measurement that can be used to set limits for cleaning up PFNA contamination in Superfund sites and for removing the chemical from drinking water."
"The EPA told ProPublica the report would be published when it was finalized, though the press office did not answer questions about what still needed to be done or when that would likely happen. But the report's final version was "completed and ready to post" in mid-April, according to an internal document reviewed by ProPublica. And two scientists familiar with the assessment confirmed the report has been finalized and ready for publication since April."
Scientists at the Environmental Protection Agency completed a toxicity assessment of PFNA, a persistent PFAS chemical present in drinking water systems serving about 26 million people. The assessment found PFNA interferes with human development by causing lower birth weights and, based on animal studies, likely damages the liver and male reproductive systems through reduced testosterone, lower sperm counts and smaller reproductive organs. The assessment calculated a safe exposure level for PFNA that can guide Superfund cleanups and drinking-water removal standards. The assessment was finalized and shown as "completed and ready to post" in mid-April, yet public posting has been delayed. Two scientists confirmed the assessment has been finalized and ready since April.
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