AFTOX (Air Force Toxic Chemical Dispersion Model)

AFTOX is a Gaussian dispersion model that will handle continuous or instantaneous liquid or gas elevated or surface releases from point or area sources. Output consists of concentration contour plots, concentration at a specified location, and maximum concentration at a given elevation and time.

Gaussian dispersionliquid or gasAir ForceToxic ChemicalDispersion



Initial contribute: 2019-10-14


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Application-focused categoriesNatural-perspectiveAtmospheric regions

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The USAF Toxic Chemical Dispersion Model (AFTOX) is a dispersion model that will determine toxic chemical concentrations and give the user the option of calculating a toxic corridor (hazard distances), the concentration at a specific location, or the maximum concentration and its location.  AFTOX will handle instantaneous or continuous, gas or liquid releases (non-buoyant) from either ground or elevated sources.  The program contains an additional option for continuous, heated (buoyant) plumes from stacks.  

AFTOX Version 4.1 is designed to run on a Zenith Z-248 microcomputer and the Zenith Z-180 series laptop microcomputers, 

running the Microsoft MS-DOS(TM) 3 (or later) operating system. Version 4.1 may operate on other true IBM-PC compatibles using EGA or CGA video and MS-DOS(TM) 3, such as the Zenith Z-150 series. Version 4.1 will not run on the Zenith Z-100 microcomputers, which are not true IBM compatibles.



US Environmental Protection Agency (2019). AFTOX (Air Force Toxic Chemical Dispersion Model), Model Item, OpenGMS,


Initial contribute : 2019-10-14



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