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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