Metal water bottles may leach BPA

The estrogen-mimicking pollutant traces to a polymer resin lining affected bottles

By Janet Raloff, 14:54 PM July 11, 2011

Consumers who switched from polycarbonate-plastic water bottles to metal ones in hopes of avoiding the risk that bisphenol A will leach into their beverages aren’t necessarily any better off, a new study finds. Some metal water bottles leach even more BPA — an estrogen-mimicking pollutant — than do ones made from the now-pariah plastic.

That BPA doesn’t come from the metal, by the way, but from an epoxy-resin lining that is based on BPA’s recipe.

That’s the bad news.

If you’re willing t...

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