From EPA
The EPA announced its decision to move forward with the development of a regulation for perchlorate to protect Americans from any potential health impacts, while also continuing to take steps to ensure the quality of the water they drink.
Perchlorate is both a naturally occurring and man-made chemical, and scientific research indicates that it may impact the normal function of the thyroid, which produces important developmental hormones. Thyroid hormones are critical to the normal development and growth of fetuses, infants and children.
In a separate action, the agency is also moving towards establishing a drinking water standard to address a group of up to 16 toxic chemicals that may pose risks to human health. As part of the Drinking Water Strategy laid out by Administrator Jackson in 2010, EPA committed to addressing contaminants as a group rather than one at a time so that enhancement of drinking water protection can be achieved cost effectively.
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Nexreg Compliance