A new health study found drinking water in 31 out of 35 U.S. cities contaminated by hexavalent chromium. Another study found that hexavalent chromium, a known carcinogen when inhaled and a suspected carcinogen when ingested, often contaminates water leaching from coal ash impoundments. The revelations expose the need for greater monitoring of public drinking water and stronger protections against contamination.
(23 Feb 2011)