Modeling

The most frequently used programs for North Carolina modeling are:

• AERSCREEN
• BPIP-Prime
• AERMOD
• CALPUFF

Download these approved models or more information about them at : EPA's SCRAM page.

Need meteorological data for the AERMOD model? Visit our download page of meteorological data sets.

Documents

(Note: click on the links below to download the file in the format shown.)

• Latest N.C. Air Toxic Modeling Guidance (Rev. 05/2018) / Word Document
• Latest N.C. PSD Modeling Guidance (Rev. 07/2020) / Word Document
• N.C. Toxic Pollutant Emission Rates (TPER)
• N.C. Acceptable Ambient Levels (AAL)
• Modeling Guidance for Western N.C. (Rev. 02/2014) / Word Document
• N.C. Quarry Modeling Guidance
• Protocol checklist for Toxics or Criteria pollutant modeling (Rev. 02/2014) / Word Document
• D3 modeling request form
• Modeling analysis tables / Excel Document
• Concrete Plant Questionnaire