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Crews clean up a chemical spill along the Elk River in Charleston, West Virginia, which compromised the public water supply of eight counties on Thursday, January 9.
Crews clean up a chemical spill along the Elk River in Charleston, West Virginia, which compromised the public water supply of eight counties on Thursday, January 9.

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    CNN test finds chemical in "clean" water

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CNN test finds chemical in "clean" water

As officials declare more and more water zones in West Virginia safe, CNN tested the water to find out how "safe" it is.

CNN test finds chemical in "clean" water

As officials declare more and more water zones in West Virginia safe, CNN tested the water to find out how "safe" it is.