Tag: MCL
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EPA Recommends Raising Fluoride Limits
The Environmental Protection Agency today proposed a new standard that would double the maximum permissible level of fluoride in the nation’s drinking water supplies. The new maximum, four milligrams to a liter of water, is well above levels that can cause dental fluorosis, which results in discoloration, mottling and pitting of teeth according to the environmental agency.
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Defluoridation rule challenged
ADA News March 24, 1980 Defluoridation rule challenged (See photocopy of article) Washington – A federal regulation that would require some communities to lower the levels of naturally occurring fluoride in their water supplies is being challenged by the ADA. The Association has asked the Environmental Protection Agency and the Department if Health, Education, and […]
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Fluoride, Politics, and the EPA
This news report, from 1986, describes the politics underlying EPA’s decision to increase the Maximum Contaminant Level for fluoride from 2 ppm to 4 ppm.