Chronic exposure limit set for PFOA in drinking water

There are over 8000 perfluorinated compounds manufactured today...
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Chronic exposure limit set for PFOA in drinking water

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Chronic exposure limit set for PFOA in drinking water

Chemical & Engineering News - May 19, 2016

By Jessica Morrison

EPA addresses persistent legacy chemicals linked to health problems

Water utilities should notify consumers when perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) exceed 70 parts per trillion—individually or combined—in drinking water, under new guidelines released on May 19 by EPA.

The long-awaited advisory aims to reduce chronic exposures to the persistent fluorochemicals in drinking water. Environmental groups, who have long been pushing EPA to set a limit for the fluorochemicals in drinking water, are disappointed that the advisory is only voluntary. The agency “highlights the fact that this is a chemical that you do not want in your water or the environment,” says David Andrews, senior scientist at the Environmental Working Group, an environmental advocacy organization. “But we think [EPA] could have taken a bigger step to protect public health,” he adds.

The chemicals, which were used to manufacture iconic household brands such as DuPont’s Teflon and 3M’s Scotchgard, persist indefinitely in the environment and have been linked to disease in humans. More than a decade ago, the fluorochemical industry pledged to end production of PFOA and PFOS by 2015. EPA says that the companies have met their stewardship commitments.

SOURCE: ... water.html
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