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Lead (1978 Standard) Area Information


  1. Nonattainment Area Selections
    1. Area Listings
      1. Nonattainment Areas
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County

    2. Area Maps
      1. Classification by County - U.S. Map

    3. Area Designation Data
      1. Classified

  2. Maintenance Area Selections (Redesignated from Nonattainment)
    1. Area Listings
      1. Maintenance Areas
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County

    2. Area Designation Data
      1. Classified

  3. Other Information
    1. Summary Reports
      1. Nonattainment Area Summary Report
      2. Maintenance Area Summary Report

  4. Federal Register Notices and Related Lead Designation and Classification Information
    1. Lead in Air Standards website

    2. Designation Notices
      1. November 6, 1991 - 40 CFR PART 81 Air Quality Designations and Classifications (PDF)
      2. 2008 Lead Designation Federal Register Notice (November 22, 2010) (PDF)

    3. Other Associated Federal Register Notices
      1. Notices Listed By Category
      2. Notices Listed By Area Name
      3. Notices Listed By State then Area
      4. Notices Listed By Date

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