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ECOS Compendium of State PFAS Actions

April 17, 2025

This document is a guide on state actions on PFAS across all topic areas. It will help states and other stakeholders learn more about state actions on PFAS and promote understanding of the critical work states do.

ECOS Paper: Processes and Considerations for Setting State PFAS Standards, 2024 Update

April 25, 2024

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 polyfluoroalkyl substances (PFAS) in response to…

ECOS FY25: “Increased Federal Support Needed for State Implementation of Federal Programs”

April 12, 2024

This resource describes state needs, challenges, and problem solving examples, and asks Congress for increased federal support for state implementation of federal programs.

National Environmental Protection: The Role of States

April 12, 2024

This resource describes the role states play in protecting human health and the environment and challenges faced, and asks Congress and EPA to financially support state environmental agency implementation of…

An Environmental Permitting Risk Management Framework for States to Reduce Risk of Civil Rights Violations and Address Environmental Justice

February 2, 2024

This Risk Management Framework presents strategies to assist ECOS members in understanding state compliance with civil rights laws and Title VI as they relate to environmental permitting.

Joint Principles for Preventing and Managing PFAS in Biosolids

July 28, 2023

This joint principles statement from ECOS, NASDA, and U.S. EPA recognizes the unique challenges and uncertainties presented by PFAS in biosolids, and highlights the importance of collaboration among state and…

ECOS Paper: Processes and Considerations for Setting State PFAS Standards, 2023 Update

March 9, 2023

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 polyfluoroalkyl substances (PFAS) in response to…

PFAS in Biosolids: A Review of State Efforts & Opportunities for Action

January 27, 2023

For years, states have been actively working to address per- and polyfluoroalkyl substances (PFAS) contamination in a variety of environmental media. One recent challenge is the management of solids, which…

ECOS White Paper: Processes and Considerations for Setting State PFAS Standards, 2022 Update

March 31, 2022

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 polyfluoroalkyl substances (PFAS) in response to…

ECOS White Paper: Processes and Considerations for Setting State PFAS Standards, 2021 Update

March 2, 2021

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 polyfluoroalkyl substances (PFAS) in response to…

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