Technology Transfer Network / NAAQS
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.