North Carolina's 8-Hour Ozone Nonattainment Boundary Recommendations Package
The following links provide reference to the full 8-Hour Ozone Nonattainment Boundary Recommendations package that North Carolina submitted to the U.S. Environmental Protection Agency (EPA) on March 12, 2009. This package is in response to a Clean Air Act requirement for states to submit to EPA its recommendations for nonattainment designations within 1-year of promulgation of a new or revised National Ambient Air Quality Standard (NAAQS). The 8-Hour Ozone NAAQS was revised to 0.075 parts per million (ppm) on March 12, 2008. Please direct further questions concerning this package to Laura Boothe, Laura.Boothe@ncdenr.gov.
In September 2009, the EPA announced that they were going to reconsider the 2008 ozone standard and postponed implementation of this standard. It was announced that the reconsideration of the 2008 ozone standard would be withdrawn on September 2, 2011. The EPA is now moving forward with the implementation of the 2008 ozone standard and the EPA requested states wishing to revise their boundary recommendations to submit the revisions by October 28, 2011. The EPA also agreed to use 2009-2011 ambient air quality data for the designation process if a state planned to certify their 2011 data early. North Carolina has elected to certify the 2011 ambient air quality data early and has made its revised boundary recommendations based on the 2009-2011 data.
The revised boundary recommendation submitted to the EPA can be found at the following links:
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