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. 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.
ECOS compiled information on state PFAS standards, advisories, and guidance values into this white paper to 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 from 23 states on their processes, rulemaking requirements, and other considerations for establishing PFAS guidelines.
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