The FAA still mandates airports use the foam, although the agency has said it will certify a new PFAS-free foam in 2023. Please add and to your contactsĪ new peer-reviewed Danish study shows exposure among pregnant women can lead to lower sperm count and quality in their children’s later life, the Guardian reported in October. Centers for Disease Control and Prevention reported. Studies with laboratory animals indicate the chemicals may harm growth and development and affect reproduction, thyroid function, the immune system and liver function, the U.S. In previous decades, Cedar Rapids firefighters sprayed the foam in the grass as part of daily checks of the firetrucks, Lenss said.īut evolving science has shown even small amounts of PFAS may be harmful to humans. The Federal Aviation Administration requires airports keep this foam on hand and test with it so firefighters are prepared for a plane fire. The PFAS in the foam helped cool and suppress liquid fuel fires. Navy and 3M created aqueous film-forming foam after 134 sailors were killed in a 1967 fire aboard an aircraft carrier off the coast of Vietnam, Bloomberg reported. Minnesota-based 3M started manufacturing PFAS in the 1950s, putting the chemicals into several products, including Scotchgard fabric protector, the company reported. But since PFAS can be found in many other substances, including fertilizer, stain-resistant clothing, carpet, cleaning products, plastic, paints and some bio waste, “it’s difficult to identify the source in groundwater in general.” Chemicals used to fight fuel fires We absolutely have sprayed it in testing,” he said of the foam. Lenss isn’t certain the PFAS came from firefighting foam used at the airport, but it’s a strong possibility.
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