Bill Walker

Bill Walker

Bill Walker is the investigations editor for the Environmental Working Group.

Articles by this author

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Tuesday, September 20, 2016
Erin Brockovich' Chemical in Drinking Water of More than 200 Million Americans
Drinking water supplies for two-thirds of Americans are contaminated with the carcinogenic chemical made notorious by the film "Erin Brockovich," which was based on the real-life poisoning of tap water in a California desert town. But there are no national regulations for the compound – and the...
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Tuesday, September 15, 2015
Day of Reckoning for DuPont Over Teflon Chemical
More than 15 years after an attorney investigating mysterious cattle deaths in Parkersburg, W. Va., discovered that DuPont had polluted the area’s drinking water with a carcinogenic chemical used to make Teflon, the company is finally facing trial. Approximately 3,500 residents of West Virginia and...
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