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Researchers find harmful ‘forever chemicals’ in pesticide used against mosquitoes in Maryland

Lab tests ordered by environmental groups found harmful chemicals, called PFAS, in a pesticide that Maryland uses for its mosquito control program, the groups said Thursday.

PFAS — per- and poly-fluoroalkyl substances — are known as “forever chemicals” because they don’t break down in nature, and they’re found in all kinds of products, from nonstick cookware to firefighting foams. Read more…