8-Hour Ozone Nonattainment Boundary Recommendations(2008 Revised 8-Hour Ozone Standard - 0.075 ppm)
Final Nonattainment Area Designations for 2008 8-Hour Ozone Standard (Map)
Presentation for Proposed Nonattainment Boundary Recommendation, January 2012
NCDAQ's Comments on USEPA's Proposed Ozone Standards, January 6, 2010
NCDAQ Report on USEPA's Proposed Ozone Standards, March 25, 2010
Existing 8-hour Ozone Nonattainment Areas in North Carolina(1997 8-Hour Ozone Standard - 0.08 ppm)
NC 8-hour Ozone Design Values
USEPA Ozone Nonattainment Designations
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