Arizona has expanded restrictions on using firefighting foams containing PFAS, also known as forever chemicals.
It specifically target Class B foam, which is designed to put out fires with fuels that are flammable liquids.
The law was passed this year, but doesn’t take effect until 2029 at the earliest. And because of negotiations with lawmakers, public airports have until the 2030s to comply.
Firefighting foams containing forever chemicals have been known to leech into the environment and contaminate groundwater — like in Tucson, where Davis Monthan Air Force Base reportedly used firefighting foams containing PFAS for years.
The new law includes federal exemptions, but Gov. Katie Hobbs says it's a step toward reducing contamination.
“We've made efforts to phase these chemicals out from many everyday items like cookware and cosmetics. But firefighting foam has not received the same attention," Hobbs said.
PFAS chemicals have been linked to negative health outcomes, including some cancers.
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