Story perspectives
Study Links Atmospheric Perchlorates to Groundwater Pollution Risks
8/24/2025
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Story summary
- A study shows perchlorates, harmful to thyroid function, form high in the atmosphere on nitrogen-rich and smoke particles.
- Researchers call for more investigation into the impact of human pollution on groundwater perchlorate levels.
- The Environmental Protection Agency intends to propose drinking water regulations for perchlorates by November.
