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Anti-bacterial chemical triclosan shows up in rivers, causes concern

Three decades ago, some companies began adding a chemical called triclosan to their products and tried to convince consumers that their hand soap or toothpaste was better because it was “anti-bacterial.”

Now, scientists are finding traces of that compound in the environment, and it’s causing concern about its potential effects on human health.

Bill Arnold is a professor in the civil engineering department at the University of Minnesota and one of the researchers studying triclosan. He told a group of river advocates and concerned citizens Friday in St. Cloud that the chemical is showing up in increasing levels in sediment at the bottom of the Mississippi River.
 
 

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