As regulatory and scientific attention expands beyond traditional PFAS compounds, ultrashort-chain PFAS (C1–C3) are emerging as contaminants of concern due to their persistence, mobility, and resistance to conventional treatment technologies.

Eurofins Environment Testing offers EPA Method 563 for the analysis of seven ultrashort-chain PFAS in drinking water and bottled water. This method provides ultra-trace detection with reporting limits as low as 0.1 ng/L, delivering highly sensitive and reliable results.

Target Analytes

_{*Also known as bis(trifluoromethane)sulfonamide, bis(trifluoromethanesulfonyl)amine, or triflimide.}

Why Test for Ultrashort-Chain PFAS?

Ultrashort-chain PFAS are among the most persistent and mobile members of the PFAS family, allowing them to travel readily through the environment and water treatment systems.

Research has shown that compounds such as trifluoroacetic acid (TFA) are increasingly detected in drinking water worldwide. Unlike many longer-chain PFAS, C1–C3 compounds are difficult to remove using conventional treatment methods such as:

• Granular Activated Carbon (GAC)
• Ion Exchange (IX) Resins

As monitoring programs expand and regulations evolve, testing for ultrashort-chain PFAS provides a more complete understanding of PFAS contamination.

Common Sources & Applications

Ultrashort-chain PFAS are used across numerous industrial and commercial applications, including:

• Refrigerants and refrigerant degradation products
• Polymer manufacturing
• Chemical synthesis and catalysts
• Pharmaceuticals
• Consumer products
• Protective coatings and surfactants
• Lithium-ion battery electrolytes
• Aqueous Film Forming Foam (AFFF)

These widespread uses contribute to their increasing presence in environmental and drinking water samples.

Emerging Health & Environmental Concerns

Scientific understanding of ultrashort-chain PFAS continues to evolve, with growing evidence suggesting potential health risks associated with long-term exposure.

In response to emerging research, the European Chemicals Agency (ECHA) has classified TFA as a reproductive toxicant (Category 1B), and the U.S. EPA has established a chronic reference dose for PFPrA. As additional toxicological data become available, interest in monitoring these compounds continues to grow.

Why Choose Eurofins Environment Testing?

Eurofins Environment Testing combines advanced analytical capabilities with decades of PFAS expertise to deliver accurate, defensible data for emerging contaminants.

Benefits of EPA Method 563 include:

• Detection of seven ultrashort-chain PFAS (C1–C3)
• Industry-leading reporting limits down to 0.1 ng/L
• Analysis of drinking water and bottled water
• High-quality, defensible analytical data
• Support for emerging regulatory and monitoring programs

Whether you're conducting routine monitoring, evaluating treatment performance, or investigating emerging contaminants, Eurofins Environment Testing provides the expertise and analytical sensitivity needed to support informed decision-making.