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On the other hand, Vengosh also has conducted research showing that ash from Wyoming-sourced Powder River Basin coal — the coal that Georgia Power uses at Plant Scherer — contains high levels of hexavalent chromium.
Each one contained hexavalent chromium levels between 30 and 140 times higher than drinking-water guidelines in North Carolina, and between 100 and 490 times higher than those in California.
Georgia’s local public health departments offer a $122 well test that can detect a limited number of toxins, but not hexavalent chromium.
The coal ash deposits have heavy concentrations of hexavalent chromium, a carcinogen.Chris Hedges and Joe Sacco Chronicle Mining Catastrophes in West Virginia|Chris Hedges, Joe Sacco|June 14, 2012|DAILY BEAST