This section provides detailed information about designations and the nonattainment area status for the Lead (1978) National Ambient Air Quality Standards (NAAQS). Original areas were designated January 6, 1992.

1. All Designated Area Selections (Nonattainment and Maintenance)
   1. Area/State Information
   2. Area Design Values
   3. State/Area and Design Value Information
   4. State/County/Area Information
   5. State/Area/County List
   6. Area/State/County List


2. Nonattainment Area Selections
   1. Areas Sorted by Classification
   2. State/County/Area Information
   3. State/Area/County List
   4. Area/State/County List


3. Maintenance Area Selections (Redesignated from Nonattainment)
   1. Areas Sorted by Classification
   2. State/County/Area Information
   3. State/Area/County List
   4. Area/State/County List


4. Area Maps
   Map and GIS shapefile downloads are available from the Downloads page (see sidebar link)
    
   1. National Map of 1971 Lead Nonattainment Areas


5. Other Information
   1. Summary Reports
      1. Nonattainment Area Summary Report
      2. Maintenance Area Summary Report
   
   
   2. Designation of Areas for Air Quality Planning Purposes (November 6, 1991
      See 40 CFR PART 81 (PDF)(165 pp, 9.3 MB, About PDF)


6. Federal Register Notices Related to Lead (1978 Standard) Areas
   1. Notices Listed By Category
   2. Notices Listed By Area Name
   3. Notices Listed By State then Area
   4. Notices Listed By Date