Facing Questions, EPA Warns PFAS Reporting List Is Not Comprehensive

Facing “hundreds of questions” from regulated entities, EPA has released a spreadsheet listing hundreds of PFAS that are known to meet the structural definition of the chemicals subject to its TSCA reporting rule, though agency staff are warning the spreadsheet should not be considered comprehensive. Because EPA used a structural definition of “PFAS” in the rule, “there's not a discrete or exhaustive list of covered substances,” Stephanie Griffen, a team lead in the data collection branch within the Office of...