| http://www.w3.org/ns/prov#value | - it is used in pigment and paint production, tanning, stainless steel welding and other things, and it is been found in two-thirds' of the nation's Superfund environmental clean-up sites.Hexavalent chromium enters the drinking water supply through surface water runoff from industrial operations and soil leachate conveyed into groundwater, says the suit.
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