White House Questions EPA’s Data Choices In Draft PFHxA Assessment

Key agencies are questioning EPA’s decision to rely on data from animal testing instead of human epidemiology in its draft risk assessment of a per- and polyfluoroalkyl substances (PFAS) known as perfluorohexanoic acid (PFHxA), with key White House offices saying that its use of the studies was “overly conservative.” The warning, from the White House offices of Management and Budget (OMB) and Science & Technology Policy (OSTP) and several other agencies, were spelled out in interagency comments on a draft...