Decision Delayed on Dangerous Chemical in Drinking Water
Автор: PBS NewsHour
Загружено: 2013-03-15
Просмотров: 6789
Описание: Science correspondent Miles O'Brien talks to scientists, members of the chemical industry and representatives from Pacific Gas and Electric about chromium-6 contamination in American drinking water. What is a safe level for humans to consume and why has the EPA stalled on setting a federal standard?
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