The US Food and Drug Administration is proposing a lower concentration level standard for fluoride in bottled water, yet some scientists and environmental groups believe that the proposed limit is still too high and poses a danger to human health
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If finalized, the new regulation would lower allowable levels of fluoride in domestically packaged and imported bottled water to 0.7 milligrams per liter, a slight reduction from the current standard of 0.8 milligrams per liter allowed by the FDA.The proposed standard would apply only to bottled water with added fluoride. It would not affect allowable levels of fluoride in bottled water that may contain fluoride from source water.
Linda Birnbaum, director of the National Institute of Environmental Health Sciences, explained that a"large, cross-government working group" looked at the data available in 2010 to 2011 and concluded that 0.7 mg/L was the appropriate level of fluoride concentration in drinking water, one that"balances protection from dental caries while limiting the risk from dental fluorosis.
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