Georgia Department of Natural Resources
Environmental Protection Division, Air Protection Branch

The Georgia Air Protection Branch provides guidance documents and meteorological data that may be used for permit modeling in Georgia.

• Sample TIA Spreadsheet (xls) (5/7/13)
• Air Dispersion Modeling Guidance
• Georgia AERMET Data (Updated - April 4, 2013)
• Georgia ISC Meterological Data
• Georgia Background Data (xls) (Updated - March 28, 2013)
• Toxics Impact Assessment Guideline
• Guideline for Modeling PM10 Ambient Concentration in Areas Impacted by Quarry Operation Producing Crushed Stone - August 7, 2012

Prior to modeling, please contact Yan Huang (404-363-7072) of the Georgia DNR, Air Protection Branch, Data and Modeling Unit to verify the applicable meteorological data.