Michigan

8-hour Ozone Maintenance
Areas in Blue Border

Wisconsin

Grand Rapids, Ml
Previously Subpart 1 (Basic)

Lansing-East Lansing, Ml
Previously Subpart 1 (Basic)
Kalamazoo-Battle Creek, Ml
Previously Subpart 1 (Basic)

Benton Harbor
Previously Subpart 1 (Basic)

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

Huron Co., Ml

Previously Subpart 1 (Basic)

Flint, Ml

Previously Subpart 1 (Basic)

Cass Co., Ml
Previously Subpart 2 Marginal

Indiana

Ohio

-------