Image: Mitwa AV via flickr Hexavalent chromium, the cancer-causing chemical made famous by the film Erin Brockovich, has been detected in the tap water of 31 of the 35 U.S. cities tested by Environmental Working Group-commissioned studies. That’s 89 percent of cities sampled. … Read the full story on TreeHugger
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Hexavalent Chromium, Erin Brockovich Chemical, Found in 31 of 35 U.S. Cities’ Tap Water