“…Recently, Hales (2002) expanded his studies for different pollutants and for different models of tritium vapour dispersion in the atmosphere e all of them Gaussian plume formulations. Another approach, closely connected to experimental results, called "engineering model", is used by Belovodski et al (1997), Belovodski et al (2000), and Golubev et al (2003). National Institute for Physics and Nuclear Engineering "Horia Hulubei" e Bucharest was selected to implement the European Community project RODOS (http://www.rodos.fzk.…”