chromium http://michiganradio.org en Green group finds contaminated tap water in Ann Arbor http://michiganradio.org/post/green-group-finds-contaminated-tap-water-ann-arbor <p>The <a href="http://static.ewg.org/reports/2010/chrome6/html/home.html">Environmental Working Group</a> (EWG) says it commissioned a study that tested tap water in 35 cities across the United States and found a cancer causing chemical in 31 of the cities they tested.</p><p>In Michigan, the EWG tested for evidence of hexavalent chromium in Ann Arbor's water supply and found the chemical at .21 parts per billion. The group says a proposed "safe" level in California is .06 parts per billion.</p><p>The group says:</p> Mon, 20 Dec 2010 21:04:19 +0000 Mark Brush & Steve Carmody 654 at http://michiganradio.org Green group finds contaminated tap water in Ann Arbor