Chromium 6––as a public health goal––is revoked

The movie "Erin Brockovich" drew attention to Chromium 6 and aroused concern about its possible effects as a water contaminant.
When a study showed a potential link between consumption of Chromium 6 in water and occurrence of cancer in laboratory mice, California’s Environmental Protection Agency (CalEPA) established a Public Health Goal (PHG) of 2.5 parts per billion (ppb) for chromium in water. This provided a guideline for the level below which Chromium 6 would not h...

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