Chemical Primer: What is Perchlorate? In the wake of the decision by California regulators to set a goal for limiting levels of perchlorate in drinking water, NPR's Jon Hamilton examines what is known about the effects of the chemical.
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Chemical Primer: What is Perchlorate?

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Chemical Primer: What is Perchlorate?

Chemical Primer: What is Perchlorate?

Chemical Primer: What is Perchlorate?

  • Download
  • <iframe src="https://www.npr.org/player/embed/1763664/1763665" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

In the wake of the decision by California regulators to set a goal for limiting levels of perchlorate in drinking water, NPR's Jon Hamilton examines what is known about the effects of the chemical.