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Środowisko i energia · 19/05/2023

EPA Determines Allegheny County Attained 2012 Annual PM 2.5 Standard by December 31, 2021

The Environmental Protection Agency (EPA) has determined that the Allegheny County, Pennsylvania, fine particulate matter nonattainment area attained the 2012 annual PM 2.5 national ambient air quality standards by its December 31, 2021, attainment date. The area remains nonattainment until redesignation.

Source: Federal Register — Environmental Protection AgencyOpen original release →