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The U.S. EPA has opted not to impose regulations on perchlorate, a toxic chemical that has been found to contaminate drinking water, has been linked to adverse health effects in infants, and had appeared close to receiving regulatory limits. As with many potentially harmful contaminants that appear in drinking water around the country, perchlorate has been on the EPA’s radar as an “emerging contaminant†that may receive regulatory action, but without any formal rules to date. It appears that, given available evidence, there are many groups who support EPA’s decision not to pursue stricter action.
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