The extraordinary resilience that led to them being dubbed “forever chemicals” no longer seems such a boon. They are everywhere: from fast-food packaging to carpets and furniture, water-repellent clothing and non-stick cookware such as Teflon. As well as at industrial sites, airports and bases, PFAS have long been used in household products thanks to their grease- and stain-resistant properties. PFCs and related human-made chemicals, more generally known as per- and polyfluoroalkyl substances (PFAS), have been virtually unregulated since at least the 1950s. But the problem is not limited to areas close to military installations. Similar concerns have been raised about dozens of other bases across the country. The foundation that runs the farm has joined forces with a local water district to sue the US Air Force, alleging that toxic chemicals used in firefighting foam at a nearby base have tainted the water, perhaps for decades, prompting health worries and causing economic losses.
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