PFAS-specific sampling protocols should be followed for sampling and decontamination procedures and sampling precautions. Ensure that materials that will come into contact with the samples do not have …

Dec 4, 2025 · EPA is developing test methods for measuring PFAS source emissions. A method for measuring 50 PFAS in air emissions from stationary sources. This method focuses on semivolatile …

In this video, homeowners will learn how to properly take a sample for PFAS analysis by the State of Michigan Drinking Water Laboratory. Sampling for PFAS is very important and it is critical that the …

INTRODUCTION ................................................................................................................ 1 1.1 Incorporating PFAS Sampling Program into Site Regulatory Framework ......................... 2 …

This guide is meant to give a broad overview on key concepts, nomenclature, and considerations for determining which envi-ronmental media to collect, sampling techniques, analytical methodology, …

Jul 1, 2025 · Review of PFAS analytical methods established by U.S. federal agencies, highlighting key features and limitations of each method. Summary of PFAS screening techniques, including organic …

U.S. Environmental Protection Agency

The following table provides a summary of items that may and may not contain PFAS. Items that contain PFAS should not be used by the sampling agent at the sampling site. However, if potential PFAS …

What are PFAS? Per- and Polyfluoroalkyl Substances (PFAS) are a group of fluorinated chemicals that have been widely used in industrial processes, firefighting foams, and consumer products since the …

Oct 1, 2022 · EPA Method 1633 is intended to provide standard procedures for the sampling and analysis of PFAS in a wide range of sample types: surface water, groundwater, wastewater, …

PFAS 1633 Sampling Instructions Drinking Water, Waste Water, or Ground Water Perfluoroalkyl and Polyfluoroalkyl Compounds (PFAS) Collection Instructions PRIOR TO COLLECTING THE SAMPLE …

Per- and Polyfluoroalkyl Substances (PFAS) are found in a variety of sources, including equipment typically used to collect soil, groundwater, surface water, sediment, and drinking water samples.

This guidance document is meant to be a resource for PFAS sampling, to provide guidance in order to improve sampling consistency and avoid cross-contamination. Decisions about sampling procedures …

1.5.3 Ultrashort-chain PFAS Analysis This section provides information regarding the analysis of ultrashort-chain PFAS (ultrashort PFAS), including the feasibility and challenges of using existing …

May 4, 2021 · The content in this document describes the intended use, scope and application, personnel qualifications, equipment, cautions, health and safety considerations, procedures, waste …

Overview Starting in 2023, DEQ conducted a pilot study to understand PFAS concentrations in the following sources: wastewater flowing into treatment plants, which is known as influent; in the treated …

Dec 19, 2025 · Per- and Polyfluoroalkyl substances (PFAS) are a family of human-made chemicals that are found in a wide range of products used by consumers and industry.

Aug 3, 2023 · This guide describes processes and considerations for investigating, sampling, and analyzing PFAS in the environment at DOE sites and facilities.

Sampling and analysis methods for PFAS in other environmental media are under development. U.S. EPA has proposed nationwide drinking water monitoring for PFAS at smaller public water systems …

If a system has data from February and August of 2024, it needs two additional samples to comply with the PFAS Rule initial monitoring requirements. The system could take samples in April-June and …

However, there may be some exceptions and additional considerations related to PFAS behavior and issues associated with potential use of PFAS-containing or PFAS-adsorbing sampling equipment …

4 days ago · A modified OTM-45 sampling train was used to collect emissions during the use of SCWO to mineralize concentrated liquid PFAS waste streams and found equally high DREs 119.

Feb 8, 2024 · This guide aims to provide fundamental concepts and considerations involved with environmental sampling for PFAS during site assessments.

May 17, 2024 · This guide introduces individuals involved in NRDAR efforts and other investigators to key concepts and considerations when sampling different environmental media for PFAS.

Jun 13, 2025 · Historically, PFAS have been used in several consumer goods and industry products, including nonstick cookware, water-resistant clothes, and stain-resistant fabrics. These compounds …

The monitoring schedule at an entry point must be the same for all regulated PFAS and is based on the most frequent sampling required for any regulated PFAS (40 CFR 141.902(b)(2)(iv)).

PFAS-specific sampling protocols should be followed for sampling and decontamination procedures and sampling precautions. Ensure that materials that will come into contact with the samples do not have …

Federal Sites: Federal sites with known or suspected PFAS, which are being prioritized for investigation (i.e., sampling and analysis). Industry Sectors: Facility data from facilities subject to Clean Air Act …