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Technology · 13/01/2003Updated: 10/17/2026 · 1 min read

EPA Approves Pennsylvania's Air Quality Plan, Redesignates Allegheny County Area

The US Environmental Protection Agency (EPA) has approved Pennsylvania's air quality implementation plan, redesignating the Allegheny County carbon monoxide nonattainment area and making several other revisions to the plan.

Original source language: Federal Register — Federal Communications CommissionOpen original release →

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