Technology Transfer Network / NAAQS
Ozone Implementation

Section 185A Ozone Nonattainment Areas Which Were Revoked Without Maintenance Plans

Note: EPA no longer updates this information, but it may be useful as a reference or resource.

As of July 20, 2000

SECTION 185A                                                                                                     
    Chico, CA                                                                                                                                      
    Denver-Boulder, CO                                                                                                                             
    Flint, MI                                                                                                                                      
    Yuba City, CA                                                                                                                                  
 

    Classified and Incomplete Data areas not included.  Prior Designation       
    retained by operation of Law, but without measured violations.  Section     
    185A areas had 3 complete years of data at time of classification (1991)    
    showing no violation.  "Section 185A" was previously called "Transitional". 
    This is NOT an official list.

Section 185A Ozone Nonattainment Areas Which Were Revoked Without Maintenance Plans

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