Chemical spill causes water emergency in W.Va.

Aired: 1/10/2014 | 0:02:31 | Clip
Residents of nine West Virginia counties are being told to avoid using tap water to bathe, drink, cook or wash clothes and dishes after a foaming agent used in coal production leaked from a chemical plant into the Elk River. Hari Sreenivasan reports on efforts to clean-up the water emergency.

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