Final Technical Support Documents for Area Designations Round 4
The Technical Support Documents below support EPA's final Round 4 area designations for the 2010 sulfur dioxide air quality standard.
If you need assistance accessing any of the documents on this page, please contact Corey Mocka at mocka.corey@epa.gov.
- Chapter 1 Background and History of the Intended Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard (pdf)
- Chapter 2 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Areas without Violating Monitors (pdf)
- Chapter 3 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Kentucky (pdf)
- Chapter 4 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Maryland and West Virginia (pdf)
- Chapter 5 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Missouri (pdf)
- Chapter 6 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for New York (pdf)
- Chapter 7 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for North Carolina (pdf)
- Chapter 8 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Texas (pdf)
- Chapter 9 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Virginia (pdf)
- Chapter 10 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Washington (pdf)
- Chapter 11 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Wisconsin (pdf)
- Chapter 12 Final Round 4 Area Designations for the 2010 1-Hour SO2 Primary National Ambient Air Quality Standard for Pennsylvania (pdf)