A cluster of illnesses, including cancer, among residents and military personnel at two bases in Pennsylvania is making community leaders question whether chemicals in fire-retardant foam may have contaminated local drinking water sources.
The chemicals; perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), are unregulated and no longer in production. They’re also more common than you might think. Prior to being phased out of use, PFOS/PFOA was used ...
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