Frequently Asked Questions about Hexavalent Chromium in ...

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Frequently Asked Questions about Hexavalent Chromium in Drinking Water . On July 1, 2014 the State Water Resources Control Board’s (State Water Board) maximum contaminant level (MCL) for Hexavalent Chromium, or Chromium-6, in drinking water took ... What is a public health goal (PHG)?

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