Short Wave What To Know About The New EPA Rule Limiting 'Forever Chemicals' In Tap Water
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Apr 12, 2024 
Pien Huang, a science correspondent, dives into the newly announced EPA rule to limit harmful PFAS, or 'forever chemicals,' in tap water. She highlights the extensive history of these substances, their persistence in the environment, and their links to serious health issues. Huang discusses the specific thresholds established for safe water consumption and the urgent need for these regulations amid rising health concerns. The conversation also touches on potential safer alternatives to common products containing PFAS.
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PFAS Dangers
- PFAS, or 'forever chemicals,' are human-made and don't break down easily, accumulating in the environment and our bodies.
- They've been linked to various health issues, prompting the EPA to limit them in drinking water.
PFAS Origins and Persistence
- PFAS chemicals originate from various sources, including consumer products like nonstick pans and industrial applications such as firefighting foam.
- Due to their strong molecular bonds, PFAS persist in the environment and accumulate in humans and animals, even appearing in babies' blood.
PFAS in Drinking Water
- Manufacturing processes, particularly at chemical factories and military bases using firefighting foam, are major contributors to PFAS in water supplies.
- Ingesting contaminated water can lead to immune and developmental problems, especially in children.