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PBS News Hour

Decision Delayed on Dangerous Chemical in Drinking Water

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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October 7, 2025 - PBS News Hour full episode
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Season 2025 Episode 280
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October 7, 2025 - PBS News Hour full episode
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Season 2025 Episode 279
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Season 2025 Episode 275
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Season 2025 Episode 274
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Season 2025 Episode 273
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Season 2025 Episode 270
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