ENVIRONMENTAL PROTECTION AGENCY ISSUES RULE: AIR PLAN APPROVAL; PENNSYLVANIA; REDESIGNATION OF THE ALLEGHENY COUNTY NONATTAINMENT AREA TO ATTAINMENT AND APPROVAL OF THE AREA'S MAINTENANCE PLAN FOR THE 2010 1-HOUR PRIMARY SULFUR DIOXIDE NATIONAL AMBIENT AIR QUALITY STANDARD

WASHINGTON, April 28 -- Environmental Protection Agency has issued a rule called: Air Plan Approval; Pennsylvania; Redesignation of the Allegheny County Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard.

The rule was published in the Federal Register on April 28 by Catherine A. Libertz, Acting Regional Administrator, Region III.

Summary: The Environmental Protection Agency (EPA) is approving both a redesignation request and state implementation plan (SIP) revision submitted on November 14, 2023 by the Commonwealth of Pennsylvania on behalf of the Allegheny County Health Department (ACHD). The request asked the EPA to redesignate the...