The US Environmental Protection Agency (EPA) intends to issue in
the coming months as many as 150 Significant New Use Rules (SNURs)
for individual per- and polyfluoroalkyl substances (PFAS) that
were previously authorized for use in the US under the Toxic
Substances Control Act (TSCA) new chemicals review program. Doing
so is likely to confound companies that received those prior
authorizations, as well as potentially countless businesses that
might be actively processing or using those substances in the
US.
Recent announcements of this effort by the senior leadership of
the Office of Chemical Safety and Pollution Prevention may have
gone unnoticed by potentially affected businesses because the
remarks were made at a conference which is typically attended by
chemical manufacturers, but perhaps not by the companies that
acquire and use formulations and end use products that might
contain PFAS. Moreover, because many significant new use rules
pertain to chemical