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Additional Resources for Designating Nonattainment Area Boundaries

EPA Ozone Information

New EPA Guidance issued 12/04/08

EPA 2008 Ozone Standard information

EPA 8-hour Ozone Designations

2003 Region VI State Nonattainment Designation Recommendations and EPA's Response

 
Oklahoma Emissions & Population Data

Oklahoma county emissions totals were taken from the US EPA 2005 National Emissions Inventory Version 1, Tier Summaries to produce these maps:

• NOx Emissions Density by County
• VOC Emissions Density by County
• Combined NOx and VOC Emissions Density by County

Total NOx and VOC emissions from major point sources were taken from the Oklahoma DEQ 2005 Point Source Emissions Inventory to produce these maps:

• NOx Emissions from Major Facilities
• VOC Emissions from Major Facilities

County population census data from the US Census Bureau Census 2000 Summary File 1 was used to create this map:

• Population Density by County

Information Provided by INCOG (Indian Nations Council of Governments)

Information provided to support the 1997 8-Hr Ozone standard, 2003 designation proposal:

• Boundary Area Justification
• Technical Support Document

Information prepared to support the 2008 8-Hr Ozone standard, 2009 designation proposal:

• Air Quality County Evaluation Data

Page last updated: December 12, 2008