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March 25, 2010

BPA Has Now Widely Contaminated the Ocean

It's looking more and more like the chemical industry's idea to make the endocrine-disrupting chemical bisphenol A ubiquitous in the environment was a terrible, and terribly dangerous, idea. Having successfully tainted the food supply with its presence, BPA has now has put the world's oceans at risk (via Science Daily):

Scientists have reported widespread global contamination of sea sand and sea water with the endocrine disruptor bisphenol A (BPA) and said that the BPA probably originated from a surprising source: Hard plastic trash discarded in the oceans and the epoxy plastic paint used to seal the hulls of ships. The team analyzed sand and seawater from more than 200 sites in 20 countries, mainly in Southeast Asia and North America. All contained what Saido described as a "significant" amount of BPA, ranging from 0.01 parts per million (ppm) to 50 ppm. They concluded that polycarbonates and epoxy resin coatings and paints were the main source.

One of the notable findings in this study is that in the ocean environment, "unbreakable" polycarbonate plastic... breaks down. And when the stuff breaks down, it releases a nasty set of toxins, including BPA.

READ THE REST OF THIS POST ON GRIST.ORG

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