Jumat, 24 Desember 2010
Lisa P. Jackson: Addressing Chromium-6 in Our Drinking Water
Earlier this week the Environmental Working Group issued a report showing the presence of hexavalent chromium, or chromium-6, in water supplies of 31 cities in the United States. As a mother of two and the head of the EPA, this report is troubling. While each of the cities in the EWG
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