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Air Permit Modeling
For More Information
If none of the resources on this page answer your questions, or if you need more information, please send the Modeling Section an email.
Forms & Documents
Permit Modeling Information
Minor Source Baseline Dates
PSD Permit Additional Impacts Tools
Environmental Protection Agency (EPA) Modeling Memos & Guidance
- 2-26-10 Model Clearinghouse Review of Modeling Procedures for Demonstrating Compliance with PM-2.5 NAAQS (PDF)
- 3-1-11 Additional Clarification on Application of Modeling Guidance for the 1-Hour NO2 National Ambient Air Quality Standard (PDF)
- 3-2-12 Haul Road Workgroup Final Report Submission to EPA-OAQPS (PDF)
- 3-23-10 Modeling Procedures for Demonstrating Compliance with PM-2.5 NAAQS (PDF)
- 3-24-11 Area Designations for the 2010 Revised Primary Sulfur Dioxide National Ambient Air Quality Standards (PDF)
- 6-29-10 Guidance Concerning the Implementation of the 1-Hour NO2 NAAQS for the Prevention of Significant Deterioration Program (PDF)
- 8-23-10 Guidance Concerning the Implementation of the 1-Hour SO2 NAAQS for the Prevention of Significant Deterioration Program (PDF)