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Traditional Aqueous Film-Forming Foam (AFFF), the Class B firefighting foam used to fight aviation and other chemical fires, typically contains PFAS. After AFFF is used in an emergency or training exercise, it can seep into the ground to contaminate local soil and ground water. AFFF that enters the storm drainage system can also lead to contamination of the public water supply when it is sent to the local water treatment plant. (Traditional water treatment processes do not remove PFAS.)
On January 6, the U.S. Department of Defense (DOD) issued revised performance specifications for fluorine-free firefighting foams (F3). While these standards do not approve any specific foam formulations, they pave the way for companies to develop new foams that meet the DOD’s requirements. Ultimately, this also sets the stage for the use of PFAS-free firefighting foams in commercial aviation emergencies as well as Part 139 airports that are required to use foams that meet the Navy’s MIL-SPEC.
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We can test for PFAS in both solid and aqueous matrices, including potable and non-potable waters, soils, and biota.
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