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Hexavalent Chromium



Latest News on the Proposed California Maximum Contaminant
Level (MCL) for Hexavalent Chromium


Hexavalent chromium is a compound used to create pigments and prevent corrosion in dyes, paints, primers, inks and plastics. The chemical is used in the production of stainless steel, leather tanning and wood preservation.

The Hexavalent Chromium Panel was formed in October 2009 to represent former and current users of hexavalent chromium. The panel’s primary activities include sponsoring research to fill the scientific database informing the risk levels for hexavalent chromium in drinking water and communicating the findings of this research.

In the past year, the panel has undertaken an effort to sponsor an independent study. Guided by highly qualified, leading experts, research is being conducted to determine the threshold at which the chemical is not toxic. This data will inform EPA and other policymakers as they develop a drinking water standard for hexavalent chromium.

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