Maryland/ Delaware/Washington D.C.

8-hour Ozone Maintenance Areas in Blue Border

Pennsylvania

Lancaster

Franklin

Bedford

Chester

Somerset

Fulton

Fayette

Adams

Gloucester

'ashington

Allegany

Harford

Salem

Carroll

Morgan Berkele;

Baltimore-

Garrett

Frederick

Preston

Mineral

Hampshire /Frederick /jeffers^f7

Howart

Loudou/ Montgomery

Anne
Arundel

Inchester/ Clarke,

Tucker

[Queen
'Anne1^

Fairfax,

Warrei

Shenando;

Fauquiei

Prince
George

'Carolim

PrificS^
William

Rappah:
nock/

Charles

Dorchester

Culpepei

Stafford)

Madison

Wicomico

District Of
Columbia

Oranga

Somerset Worcester

Spotsylvani;

'estmor<

Caroline

Louisa

iccomas

Hanovei

Virginia

West
Virginia

New
Jersey

Kent and Queen

Anne's Cos., MD

Previously Subpart 2 Marginal

Previously Subpart 2 Moderate
Previously Subpart 2 Marginal
Previously Subpart 1 (Basic)

n	25 50

miles

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