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发帖数: 53 | 1 More than 20 percent of the nation’s water treatment systems have violated
key provisions of the Safe Drinking Water Act over the last five years,
according to a New York Times analysis of federal data.
That law requires communities to deliver safe tap water to local residents.
But since 2004, the water provided to more than 49 million people has
contained illegal concentrations of chemicals like arsenic or radioactive
substances like uranium, as well as dangerous bacteria often found in sewage |
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