Researchers Suggest EPA Reconsider Fine Particulate Matter Exposure Levels

October 9, 2002
Some scientific researchers are raising the idea that EPA may need to revamp the way it addresses fine particulate matter (PM2.5) because new studies are indicating that serious health effects -- even death -- are apparent at the lowest levels that are measurable. However, the notion is controversial because it would likely boost the importance of cost-benefit analyses when the Clean Air Act bars EPA from considering costs in setting ambient air quality standards. The issue was discussed at an...

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