| http://www.w3.org/ns/prov#value | - Samples taken by the Waterkeeper Alliance shortly after the spill, however, showed dangerously high levels of arsenic, chromium, lead and other contaminants typically found in coal ash. (Photo: Appalachian Voices / Flickr)DENR later issued a correction claiming it made an honest mistake in interpreting its results for arsenic, which had contaminated the river at levels that endanger the health o
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