Mich bird deaths linked to old chemical plant

Dead robins, starlings and a bluebird collected in a Michigan town last year tested positive for high levels of DDE, which is generated as DDT breaks down. The source is the old Velsicol Chemical plant nearby, formerly a Michigan Chemical plant, which manufactured DDT and is now a Superfund site. State officials found DDT and polybrominated biphenyls in neighborhood yards. Experts think the birds were exposed when they fed on worms from contaminated areas near the old plant. ScientificAmerican.com/Environmental Health News (7/28)

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