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  2. Reviewing National Ambient Air Quality Standards (NAAQS)

Particulate Matter (PM) Standards - Regulatory Impact Analysis from Current Review

This regulatory impact assessment (RIA) presents the health and welfare benefits of the PM NAAQS, and compares the benefits to the estimated costs of implementing the NAAQS.

  • Final Regulatory Impact Analysis for the Reconsideration of the NAAQS for PM
  • Regulatory Impact Analysis for the Proposed Reconsideration of the PM NAAQS (pdf) (23.31 MB)

You may also be interested in other documents from the current PM NAAQS review.

Reviewing National Ambient Air Quality Standards (NAAQS)

  • Carbon Monoxide Standards
  • Lead Standards
  • Nitrogen Dioxide Primary Standards
  • Nitrogen Dioxide Secondary Standards
  • Ozone Standards
  • Particulate Matter Standards
  • Sulfur Dioxide Primary Standards
  • Sulfur Dioxide Secondary Standards
Contact Us about Reviewing National Ambient Air Quality Standards (NAAQS)
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 16, 2025
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