From Discovery News:As clean as the drinking water is in the United States compared to other countries, it still contains trace amounts of cancer-causing contaminants.
But this past March, the Environmental Protection Agency (EPA) announced that advances in science and technology were allowing them to define stricter regulations on four chemicals: tetrachloroethylene and trichloroethylene, which are used in industrial and textile processing, and epichlorohydrin and acrylamide, which ironically can be introduced into drinking water during the water treatment process.
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