Sulfur Dioxide Designations
State Recommendations and EPA Response
The following map groups the states by their associated EPA regional office. Click on a region in the map or list below to view recommendations submitted to EPA by the states or tribes within that region. Tribal information is available on the Tribal Recommendations page.
Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont and
Tribal Nations
Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands and
Tribal Nations
Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia
Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina,
Tennessee and Tribal Nations
Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin and
Tribal Nations
Region 6: Louisiana, Arkansas, Oklahoma, New Mexico, Texas and
Tribal Nations
Region 7: Iowa, Kansas, Missouri, Nebraska, and
Tribal Nations
Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and
Tribal Nations
Region 9: Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations
Region 10: Alaska, Idaho, Oregon, Washington and
Tribal Nations