Search Results for keywords:"air dispersion modeling"

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Search Results: keywords:"air dispersion modeling"

  • Type:Rule
    Citation:89 FR 101910
    Reading Time:about 16 minutes

    The EPA has finalized a rule reclassifying parts of Cambria and Westmoreland Counties in Pennsylvania as "nonattainment" areas for sulfur dioxide (SO2) air quality standards set in 2010. This decision is based on air dispersion modeling that shows violations of the standards. These areas were previously classified as "attainment/unclassifiable" and "unclassifiable." With this new designation, Pennsylvania is required to create a plan to reduce SO2 levels to meet health and safety standards over the next few years.

    Simple Explanation

    The EPA has decided that parts of two counties in Pennsylvania have too much sulfur dioxide in the air, which can be bad for people's health. Now, Pennsylvania has to make a plan to clean up the air there.