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Guidance Documents

Maryland Department of the Environment Biosolids Interim Guidance

October 7, 2025

This interim guidance on the land application of biosolids with PFAS contamination requests that applicators limit or cease application based on PFAS levels in the biosolids and also requires that…

Washington Department of Ecology Dangerous Waste Guidance

September 29, 2025

This webpage provides guidance to ensure businesses properly handle and dispose of dangerous waste.

Hawaii Department of Health Environmental Hazard Evaluation Guidance

September 18, 2025

This webpage provides information on Environmental Health Evaluation guidance and supplemental models, periodic updates to the Environmental Action Levels and associated guidance, and additional resources for related information.

ASDWA and AWWA PFAS Treatment Framework

April 29, 2025

Compiles science on PFAS treatment and best practices for piloting treatment to inform the drinking water sector on streamlining the permit approval process and to help systems evaluate their PFAS…

PFAS Federal Research and Development Strategic Plan

October 24, 2024

Outlines the goals and deliverables intended by the White House’s Office of Science and Technology, a Congress-directed Interagency Working Group.

Great Lakes Consortium for Fish Consumption Advisories’ Best Practice for PFOS Guidelines

April 26, 2024

Recommendations on PFOS consumption advisory levels from a collaboration of fish advisory program managers in eight states and Canada, based on the 2016 EPA Drinking Water Health Advisory.

Interim Guidance on Destroying and Disposing of Certain PFAS and PFAS-Containing Materials that are not Consumer Products

April 26, 2024

Identifies available, effective methods to remediate, dispose of, and destroy PFAS; Updates 2020 guidance, open to 180 day public comment.

ASTSWMO Guidance for Developing a State Contaminants of Emerging Concern Program

January 31, 2023

This document provides examples, best practices, and recommendations that states may want to consider when developing a State CEC program.

ITRC PFAS Technical and Regulatory Guidance Document

January 11, 2023

This guidance document was designed to support state and federal environmental staff and other stakeholders in gaining a working knowledge of the current state of PFAS science and practice, and to summarize of the current understanding of all aspects of PFAS from a broad perspective

ASTSWMO PFAS Position Paper

January 11, 2023

This paper acknowledges the work Federal and State agencies have taken to date and recommends federal regulatory action, guidance development, and further research to address PFAS.

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