Eastman Chemical went a step beyond calling Tritan plastic BPA-free, setting off a legal challenge. Eastman hide caption

itoggle caption Eastman

PlastiPure helps manufacturers create water bottles and other plastic products that have no estrogenic activity. PlastiPure hide caption

itoggle caption PlastiPure

Environmental groups say a ban would protect consumers from the health effects of BPA that leaches from products including some soup cans. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

A Harvard study found dramatically higher BPA exposure in people who ate canned soup. The researchers used different varieties of Progresso-brand vegetable soups, but BPA is found in the epoxy resins used to coat the inside of many food and beverage cans. Maggie Starbard/NPR hide caption

itoggle caption Maggie Starbard/NPR