Search Results for keywords:"attainment determination"

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Search Results: keywords:"attainment determination"

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  • 2025-04791 — Determination of Attainment by the Attainment Date; 2008 8-Hour Ozone Standards; California; Sacramento Metro Area
    Type:Proposed Rule
    Citation:90 FR 13316
    Reading Time:about 25 minutes

    The Environmental Protection Agency (EPA) is suggesting that the Sacramento Metro area in California has met the ozone air quality standards set in 2008 by the deadline of December 31, 2024. This decision is based on air quality data collected from 2022 to 2024. If this proposal is finalized, certain air quality contingency measures that were required in case of air quality standard violations would no longer be necessary. The EPA is currently seeking public comments on this proposal until April 21, 2025, before making a final decision.

    Simple Explanation

    The EPA is suggesting that the air in Sacramento, California, has become cleaner and meets the safety standards for ozone levels by the end of 2024. This means if everything checks out, they won't need extra plans just in case the air gets bad again.

  • 2024-30583 — Determination of Attainment by the Attainment Date; Michigan; St. Clair 2010 Sulfur Dioxide Nonattainment Area
    Type:Rule
    Citation:89 FR 104884
    Reading Time:about 7 minutes

    The Environmental Protection Agency (EPA) issued a final rule determining that the St. Clair, Michigan area met the 2010 sulfur dioxide (SOâ‚‚) national ambient air quality standards by September 12, 2021. This decision is based on various data, including emissions and air quality reports. However, the area remains classified as nonattainment for these standards until specific criteria are met. This action, effective January 27, 2025, does not create new requirements or significantly impact small entities.

    Simple Explanation

    The EPA has decided that the air in St. Clair, Michigan now meets clean air rules for sulfur dioxide, a chemical that can make breathing hard, but they're still checking to see if everything is okay before saying so for sure. This doesn't change any rules for people or companies right now.