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Area Designations for 1997 Fine Particle (PM_2.5) Standards

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Region 3: State Designations
Delaware PM_2.5 Designations Map

Delaware PM_2.5 Designations Map

The map shows that New Castle County is within the Philadelphia-Wilmington, PA-NJ-DE nonattainment area. The remainder of the state has not been designated nonattainment.

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