Piscataquis Penobscot Somerset Franklin Washington Orleans Franklin Clinton Hancock Lamoille Chittenden Oxford Caledonia, Waldo Kennebec Washington Lincoln Andro- scogginf$aga-l dahot Grafton Addison Orange Carroll Cumberland Wndsor Rutland Warren Belknap Sullivan, Was- 1 hington Merrimack itraffon Benningtoj Cheshire Wndham Hillsborougl Rockingham Maine / Vermont / New Hampshire 8-hour Ozone Maintenance Areas in Blue Border Previously Subpart 2 Moderate Previously Subpart 2 Marginal Previously Subpart 1 (Basic) Previously Subpart 1 (Basic) - EAC New York Vermont Maine Aroostook Hancock, Knox, Lincoln, Waldo Cos., ME (Central Maine Coast) Previously Subpart 1 (Basic) Portland, ME (Southwest Maine Coast) Previously Subpart 2 Marginal miles New Hampshire ------- |