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1. Revised Lead (2008 Standard) Designation Notices
    
   1. Air Quality Designations for the 2008 Lead (Pb) NAAQS (November 22, 2010)
      See 75 FR 71033
   
   
   2. Air Quality Designations for the 2008 Lead (Pb) NAAQS (November 22, 2011)
      See 76 FR 72097
   
   
   3. Proposed Designation of Areas for Air Quality Planning Purposes; State of Arizona; Pinal County and Gila County; Pb (May 2, 2014)
      See 79 FR 25077
   
   
   4. Final Designation of Areas for Air Quality Planning Purposes; State of Arizona; Pinal County and Gila County; Pb (September 3, 2014)
      See 79 FR 52205