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  • Press Release

Consortium Completes PFAS Test Order Tier 1 Requirements

Tom Flanagin

WASHINGTON (April 23, 2024) – The 6:2 Fluorotelomer Sulfonamide Betaine (6:2 FTSB) Testing Consortium, managed by the American Chemistry Council (ACC), has submitted a final report for the third and final study required in accordance with Tier 1 of the Test Order issued by the US Environmental Protection Agency (EPA) in June 2022. The Test Order for 6:2 FTSB was the first to be issued under EPA's National PFAS Testing Strategy released in the fall of 2021.

The final study submitted to EPA investigated the biosolubility of 6:2 FTSB using a simulated epithelial lung fluid (SELF). According to the EPA Test Order, biosolubility is a key parameter in evaluating the rate of clearance of the substance from the lungs. The results of the study are currently under review by EPA’s technical staff.  

Following submission to EPA, ACC's Vice President of Chemical Products and Technology Division, Rob Simon, noted that "the Consortium looks forward to reviewing the scope of further testing on 6:2 FTSB."

The substance 6:2 FTSB is a fluorosurfactant that has been used in formulations of aqueous film-forming foams (AFFF) to effectively fight hydrocarbon fires. The members of ACC's 6:2 FTSB Testing Consortium include Chemours, Corteva Agriscience, and Tyco Products.

American Chemistry Council

The American Chemistry Council’s mission is to advocate for the people, policy, and products of chemistry that make the United States the global leader in innovation and manufacturing. To achieve this, we: Champion science-based policy solutions across all levels of government; Drive continuous performance improvement to protect employees and communities through Responsible Care®; Foster the development of sustainability practices throughout ACC member companies; and Communicate authentically with communities about challenges and solutions for a safer, healthier and more sustainable way of life. Our vision is a world made better by chemistry, where people live happier, healthier, and more prosperous lives, safely and sustainably—for generations to come.

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