http://blogs.ei.columbia.edu Thu, 23 May 2013 08:20:51 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 http://blogs.ei.columbia.edu/2010/12/30/chromium-6-found-in-tap-water-of-31-u-s-cities/ http://blogs.ei.columbia.edu/2010/12/30/chromium-6-found-in-tap-water-of-31-u-s-cities/#comments Thu, 30 Dec 2010 16:25:31 +0000 Renee Cho http://blogs.ei.columbia.edu/?p=10182 The carcinogenic chemical chromium-6 (or hexavalent chromium) has been found in the drinking water of 31 of 35 U.S. cities analyzed by the Environmental Working Group (EWG) which released results of its tests on December 20.]]> http://blogs.ei.columbia.edu/2010/12/30/chromium-6-found-in-tap-water-of-31-u-s-cities/feed/ 2