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How New Jersey tamped down PFAS in drinking water

Apr 20, 2026 · 12m

Summary

Science Friday host Ira Flatow speaks with Dr. Hari Iyer about a Rutgers study showing New Jersey’s PFAS regulations reduced drinking water contamination by 55%. They discuss the health risks of these "forever chemicals," including kidney and liver impacts, and how treatment methods like granulated activated carbon help. The conversation also covers the challenge of assessing long-term cancer risks and the need for better chemical evaluation before market release.

Topics discussed

Sponsors: NYSCI, Poster House, and Progressive Introduction: PFAS regulations and study overview Study findings: 55% reduction in PFAS levels Current safety levels and biological magnification Health impacts: Kidney, liver, and cancer risks Removal methods and limitations for well water NJ contamination levels and sharing best practices Dr. Iyer's background in cancer and endocrine disruption Future research: Reconstructing historical exposure Comparison to asbestos and balancing progress Conclusion and resources for filtering PFAS
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