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  2. Ozone Designations

2015 Ozone Standards - State Recommendations, EPA Responses, and Technical Support Documents

Tribal information is available on the Tribal Recommendations page.

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* Entire state designated attainment/unclassifiable on November 6, 2017.

Ozone Designations

  • Learn About Ozone Designations
  • Regulatory Actions
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Contact Us About Ozone Designations
Contact Us About Ozone Designations to ask a question, provide feedback, or report a problem.
Last updated on July 8, 2024
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