White paper | Processes & Considerations for Setting State PFAS Standards
EXECUTIVE SUMMARY - In recent years, federal, state, and international authorities have established various health-based regulatory values
and evaluation criteria for a number of specific per- and poly-fluoroalkyl substances (PFAS) in response to growing
concerns with contamination. At this time, the U.S. has no federally enforceable PFAS standards, leaving individual
states to navigate various avenues for addressing PFAS contamination. Some states have established legally
enforceable values for certain PFAS in drinking water, groundwater, surface water, soil, or other environmental
media (e.g., drinking water Maximum Contaminant Levels [MCLs]). Other states and regulatory agencies have opted
for non-enforceable values such as guidance levels, screening numbers, or advisories that may apply to PFAS
compounds for which promulgated standards do not exist.
The Environmental Council of the States (ECOS) in 2019 compiled information on state PFAS standards, advisories,
and guidance values (hereinafter referred to as “guidelines”1). Sharing data and regulatory approaches will help
federal, state, and international authorities avoid unnecessary duplication of efforts, as well as understand and
communicate about differences in guidelines. This paper outlines ECOS’ findings on state efforts and considerations
for future regulatory activities on PFAS.
CONTINUE READING ON www.ecos.org