Search Results for keywords:"1997 ozone NAAQS"

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Search Results: keywords:"1997 ozone NAAQS"

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  • 2021-02556 — Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Harrisburg-Lebanon-Carlisle Area
    Type:Rule
    Citation:86 FR 8689
    Reading Time:about 9 minutes

    The Environmental Protection Agency (EPA) has approved a revision to Pennsylvania's State Implementation Plan (SIP) for maintaining air quality standards for ozone in the Harrisburg-Lebanon-Carlisle area. This revision helps ensure the area continues to meet the 1997 8-hour ozone standards through 2027. The EPA found that Pennsylvania's submission satisfied legal requirements, even after discovering a minor computational error in emission data that did not affect the decision. This approval makes certain air quality maintenance commitments enforceable under federal law.

    Simple Explanation

    The EPA said yes to Pennsylvania's plan to keep the air clean and healthy in some cities by sticking to rules about ozone, which is a type of pollution. This means Pennsylvania promised to make sure the air stays good to breathe, and now the EPA is helping to make this a rule everyone has to follow.

  • 2021-02583 — Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard (NAAQS) Second Maintenance Plan for the Altoona (Blair County) Area
    Type:Rule
    Citation:86 FR 8697
    Reading Time:about 8 minutes

    The Environmental Protection Agency (EPA) is approving a plan from Pennsylvania to maintain air standards in Altoona, Blair County. This plan is focused on sustaining the 1997 ozone standards as required by the Clean Air Act, ensuring air quality remains safe through to 2027. The approval includes a minor correction to previous emission data calculations, which does not affect the overall analysis. This rule will go into effect on March 11, 2021, making Pennsylvania's commitments federally enforceable.

    Simple Explanation

    The Environmental Protection Agency (EPA) says that Pennsylvania has a plan to keep the air safe to breathe in Altoona, Blair County by following rules that were set back in 1997. They made a tiny fix to their math about pollution, and starting March 11, 2021, this plan will help make sure the air stays nice and clean, with the rules being like a promise everyone must keep.

  • 2021-02624 — Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Erie Area
    Type:Proposed Rule
    Citation:86 FR 8722
    Reading Time:about 22 minutes

    The Environmental Protection Agency (EPA) is proposing to approve a plan from Pennsylvania to maintain air quality standards for ozone in Erie County. This plan ensures Erie County stays within the safe limits for ozone levels specified by the 1997 standards for an additional 10 years, up until 2027. The EPA is open to public comments on this proposal until March 11, 2021. The plan includes measures such as emissions inventories, maintaining air quality monitoring, and a commitment to take action if ozone levels rise.

    Simple Explanation

    The EPA wants to make sure the air stays clean in Erie County, Pennsylvania, so they are checking a plan from Pennsylvania that promises to keep ozone levels safe until 2027. They will listen to what people think about this plan until March 11, 2021.