CBRN (Chemical, Biological, Radiological and Nuclear) materials and particules are in world and they make pollution and hazard to the environment and people. Especially, routine pollution sources are dangerous because it affect enviroment longer years. Also accidents in factories can cause a lot damage to the people. Because of this importance of CBRN, determining the route and effects of these materials are important.

      TSO Turkey has been working several years on CBRN and it is the only corporation in Turkey. TSO Turkey developed simulation codes based on atmospheric dispersion methods in militaristic approach. Also civilian approach on CBRN has developed and projects were done for Tubitak who is scientific division of Turkey Republic. Also work on new atmospheric models have been working and user defined researches are ongoing.