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PFAS Toxicity

DOE Policy on Addressing PFAS at the Agency

June 13, 2025

Provides a guide for DOE efforts to mitigate risk associated with PFAS use, storage/disposal, and reporting of releases at DOE sites.

DOE Initial Assessment of PFAS

June 13, 2025

Outlines the agency’s inital assessment of PFAS at DOE sites, including results of a preliminary evaluation of known historic or current PFAS uses, PFAS occurrence in the environment, and regulatory…

PFAS in U.S. Groundwater Interactive Dashboard

October 25, 2024

Displays information for pulblic or domestic groundwater and the probability of PFAS occurrence.

Multistate Petition to Add PFAS to List of Clean Air Act Hazardous Air Pollutants

October 24, 2024

Requests that U.S. EPA add four PFAS (PFOA, PFOS, PFNA, HFPO-DA) to list of hazardous air pollutants under the CAA.

Revised Toxicokinetic Model of Bioaccumulative PFAS

August 2, 2024

Presents an updated method, of which a handful of states base their PFAS standards off of, to determine how PFAS accumulates in human bodies from birth through childhood.

ATSDR PFAS Exposure Assessment Technical Tools

January 11, 2023

Aims to help state, local, tribal, and territorial health departments conduct PFAS biomonitoring activities, with the assumption that drinking water is the primary source of PFAS exposure. To request a copy of the PEATT please send a request to PFAS@cdc.g​ov

ITRC Sampling and Analytical Methods

January 11, 2023

This ITRC guidance provides current information on sampling protocols and the development of PFAS anlaytical methods.

ASDWA and APHL Technical Bulletin to Labs Reporting Analysis using various EPA methods

January 11, 2023

Alerts labs to inconsistencies when reporting analytical results for FPAS from EPA methods 533, 537, or 537.1

ASDWA PFAS Laboratory Testing Primer for State Drinking Water Programs and Public Water Systems

January 11, 2023

Provides guidance on how state drinking water programs can work with labs to test PFAS in drinkingw ater samples collected from public water systems

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