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Technology Transfer Network / NAAQS
Ozone Implementation

Ozone Nonattainment Areas Which Were Revoked Without Maintenance Plans

Information provided for informational purposes onlyNote: EPA no longer updates this information, but it may be useful as a reference or resource.
As of July 20, 2000

                                  Number of    Number of    Population
   Classification                   Areas      Counties       (1000s)
    Serious                             3           18        6,690
    Moderate                            6           13        1,759
    Marginal                           17           37        6,087

                       SUBTOTAL:       26           66       14,536

    Section 185A                        4           10        2,422
    Incomplete Data                    16           19        1,640

                       SUBTOTAL:       20           29        4,062


                    GRAND TOTAL:       46           95       18,598



 County subtotals and grand totals may not equal sum of parts.  Part         
 counties are only counted one time within groupings.  "Section 185A" was    
 previously called "Transitional".                                           
                                                                             
                                                                             
                                                                             


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