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Classifications of 8-Hour Ozone Nonattainment Areas
As of November 13, 2009
On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule (Court Order). The Subpart 1 areas in the Greenbook are listed as "Former Subpart 1" until reclassification of the areas is finalized. Proposed reclassifications were published on January 16, 2009 (74 FR 2936).
View Notes
Notes:
n = area
has whole or part county or counties in a previous 1-hr Ozone nonattainment
area (as of June 15, 2005) no longer subject to the 1-hour standard
m = area has whole or part county or counties in
a previous 1-hr Ozone maintenance area (as of June 15, 2005) no longer
subject to the 1-hour standard
* = area has
whole or part county or counties in a CO, PM-10, or PM-2.5 nonattainment or
maintenance area or previous 1-hr Ozone nonattainment or maintenance area
(as of June 15, 2005)
The 1-hour ozone standard, as well as
designations and classifications for all 1-hour ozone nonattainment and
maintenance areas,have been revoked except for the Greensboro, NC,
Nashville, TN, and Denver, CO maintenance areas. See details here.
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