Attachment I

Alabama 1
Birmingham Area
  Jefferson County
  Shelby County
Florida
Jacksonville Area
  Duval County
Miami-Ft. Lauderdale-W. Palm Beach
  Broward County
  Dade County
  Palm Beach County
Tampa-S. Petersburg-Clearwater Area
  Hillsborough County
  Pinellas County
Georgia
Atlanta Area 2
  Banks County
  Barrow County
  Bartow County
  Butts County
  Carroll County
  Chattooga County
  Cherokee County
  Clarke County
  Clayton County
  Cobb County
  Coweta County
  Dawson County
  De Kalb County
  Douglas County
  Fayette County
  Floyd County
  Forsyth County
  Fulton County
  Gordon County
  Gwinnett County
  Hall County
  Haralson County
  Heard County
  Henry County
  Jackson County
  Jasper County
  Jones County
  Lamar County
  Lumpkin County
  Madison County
  Meriwether County
  Monroe County
  Morgan County
  Newton County
  Oconee County
  Paulding County
  Pickens County
  Pike County
  Polk County
  Putnam County
  Rockdale County
  Spalding County
  Troup County
  Upson County
  Walton County
Indiana 3
Louisville Area
  Clark County
  Floyd County
Louisiana
Baton Rouge Area
  Ascension Parish
  E. Baton Rouge Parish
  Iberville Parish
  Livington Parish
  Pointe Coupee Parish
  W. Baton Rouge Parish
Lake Charles Area
  Calcasieu Parish
Beauregard Parish Area
  Beauregard Parish
Lafayette Area
  Lafayette Parish

Louisiana (continued)
Lafourche Parish Area
  LaFourche Parish
New Orleans Area
  Jefferson Parish
  Orleans Parish
  St. Bernard Parish
  St. Charles Parish
St. James Parish Area
  St. James Parish
St. Mary Parish Area
  St. Mary Parish
Michigan
Detroit Area 4
  Lenawee County
  Livingston County
  McComb County
  Monroe County
  Oakland County
  St. Clair County
  Washtenaw County
  Wayne County
Missouri
Kansas City Area (7.2 RVP)
  Clay County
  Jackson County
  Platte County
North Carolina
Charlotte-Gastonia Area
  Gaston County
  Mecklenburg County
  Greensboro-Winston-Salem
High Point Area
  Davidson County
  Davie County *
  (The area bounded by the Yadkin River, Dutchman’s
Creek, North Carolina Highway 801, Fulton Creek
and back to the Yadkin River)
  Forsyth County
  Guilford County
Raleigh-Durham Area
  Durham County
  Wake County
  Granville County *
  (Dutchville Township)
Ohio 6
Cincinnati/Dayton Area
  Butler County
  Clark County
  Clermont County
  Greene County
  Hamilton County
  Miami County
  Montgomery County
  Warren County
Pennsylvania
Pittsburgh Area 5
  Allegheny County
  Armstrong County
  Beaver County
  Butler County
  Fayette County
  Washington County
  Westmoreland County
Tennessee
Memphis Area
  Shelby County
  Nashville Area
  Davidson County
  Rutherford County
  Sumner County
  Williamson County
  Wilson County
Virginia
Smyth County Area
  Smyth County (part)
  (The portion of White Top Mountiain above the
4,500 foot elevation in Smyth County)

* A portion of the county is located within the area designated non-attainment.

1. Alabama requires the Birmingham-area counties to have 7.0 psi RVP gasoline during the summer gasoline volatility season (June 1 to September 15). This State RVP program is more restrictive than the Federal 7.8 psi RVP program. .
   
   
2. Georgia requires all 13 Atlanta-area counties and 32 surrounding area counties to have 7.0 psi, RVP 30 ppm average sulfur max. gasoline during the summer gasoline volatility season (June 1 to September 15). This State RVP program is more restrictive than the Federal 7.8 psi RVP program.
   
   
3. Indiana regulation require 7.8 psi RVP during the summer gasoline volatility season (June 1 to September 15) at retail. Federal RFG is a complying substitute for the 7.8 psi RVP.
   
   
4. Michigan requires all eight Detroit-area counties to have 7.0 psi RVP gasoline during the summer gasoline volatility season (June 1 to September 15). Federal RFG is a complying substitute for the 7.0 psi RVP under Michigan regulations.
   
   
5. Pennsylvania requires all seven Pittsburgh-area counties to have 7.8 psi RVP gasoline during the summer gasoline volatility season (May 1 to September 15 at terminals) and (June 1 to September 15 at retail).
   
   
6. Ohio requires all eight Cincinnati/Dayton-area counties to have 7.8 psi RVP gasoline during the summer gasoline volatility season (June 1 to September 15). Federal RFG is a complying substitute for the 7.8 psi RVP under Ohio regulations.

Although reasonable precautions have been taken to ensure the completeness of the list for states in which Marathon sells its gasoline, you are encouraged to consult the November 6, 1991, Federal Register (56 FR 56694) and any subsequent updates for a complete listing as well as appropriate state regulations.