"California public health officials suggest limiting hexavalent chromium in drinking water to 10 parts per billion. Environmentalists say that's not nearly strict enough."
"State public health officials Thursday proposed the nation's first drinking-water standard for the carcinogen hexavalent chromium, at a level that elicited sighs of relief from municipal water managers and criticism from environmentalists.
At 10 parts per billion, the standard is 500 times greater than the non-enforceable public health goal set two years ago by the state Environmental Protection Agency.
The Department of Public Health described the proposed limit as a balance of public health, cost and treatment technology, but the agency acknowledged that economics were a key consideration.
Mark Starr, deputy director of the Center for Environmental Health, said the state's aim was to determine the lowest possible limit for the toxic heavy metal 'given the technology available and the cost in order to protect public health.'"
Bettina Boxall reports for the Los Angeles Times August 22, 2013.
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