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Mid-Atlantic Region 8-Hour Ozone Maintenance Area

Maintenance Area Name	Youngstown-Warren-Sharon, OH-PA
Classification	Maintenance
2003 DVs (ppb)	94
Effective Date	November 19, 2007
Counties	Columbiana County, OH Mahoning County, OH Trumbull County, OH Mercer County, PA
Federal Register Citation	72 FR 59213

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