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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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September 4, 2025 - PBS News Hour full episode
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Season 2025 Episode 247
September 4, 2025 - PBS News Hour full episode
September 4, 2025 - PBS News Hour full episode
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Season 2025 Episode 246
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Season 2025 Episode 245
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Season 2025 Episode 244
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Season 2025 Episode 243
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Season 2025 Episode 242
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Season 2025 Episode 241
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August 29, 2025 - PBS News Hour full episode
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Season 2025 Episode 240
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August 28, 2025 - PBS News Hour full episode
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Season 2025 Episode 239
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Season 2025 Episode 238
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August 26, 2025 - PBS News Hour full episode
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Season 2025 Episode 237
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Season 2025 Episode 236
August 24, 2025 - PBS News Weekend full episode
August 24, 2025 - PBS News Weekend full episode
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