Air Quality Modeling
The Georgia Air Protection Branch provides guidance documents and relevant data that may be used for permit modeling in Georgia.
Prevention of Significant Deterioration (PSD) Modeling
- PSD Basic Information
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Georgia
EPD PSD Permit Application Guidance Document (Updated, February 3, 2017) - Georgia Background Data (Updated, October 27, 2022)
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List
of Minor Source Baseline Dates (Updated, May 2022) - Georgia PSD Inventory Tool
- Georgia AERMET Data (Updated, November 21, 2022)
- Georgia ISC Meteorological Data
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Georgia
MERPs Guidance (Updated, February 25, 2019) -
1992
NLCD – Georgia (*.tif) (Updated, June 13, 2019)
Toxic Air Pollutants (TAP) Modeling
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Toxics
Impact Assessment Guideline (Updated, May 2017) -
Factsheet
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Appendix
A – list of TAP, AAC, and MER (updated Oct 2018)
Quarry Modeling (PM10)
EPA Dispersion Modeling Information
- Air Quality Dispersion Modeling
- 2017 Appendix W Final Rule - Guideline on Air Quality Models
- AERMOD Modeling System
- Clarification Memos for Dispersion Models
If you have any permit modeling related questions, please contact Permit Modeling of the Georgia EPD, Air Protection Branch at (470) 524-0734. Please visit Permitting Programs for any permitting related questions and contact information.