Sustainability and Environment
California Shuts Window on PFAS Firefighting Foam
After a year-long delay in enactment, the ban took effect last week

The California state fire marshal issued a memo earlier this week emphasizing the deadline has passed for the elimination of PFAS chemicals in Class B firefighting foam at all Part 139 airports in the state.

Airports had been granted a one-year moratorium on the phase-out—which ended last week—to allow for the transition to fluorine (F3) foams under state legislation SB-1044 “Firefighting equipment and foam: PFAS chemicals” that was approved in 2020.

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