“…Our initial analysis focused on the main methods used in other studies and on the norms ISO/TC 85/SC 2/WG 17 – Radioactivity measurements and ISO/CD 11665-10 Air: radion-222 – Part 10. For this study, the authors focused on the published results by Quindos Poncela, Fernandez, Gomez Arozamena and Sainz Fernandez 2004; Leung, Nikezic, Leung and Yu 2007; Mujahid, Hussain, Dogar and Karim 2005; Daoud and Renken 2001; Ashry, Abou-Leila and Abdalla 2011; Arafa 1994; Arafa 2002; Klein et al 1997; Jiránek and Hulka 2001; Jiránek and Hulka 2000; Keller, Hoffmann and Feigenspan 2001; Wójcik and Zuzel 2004; Narula, Chauhan and Chakarvarti 2010; Singh, Singh and Singh 2005. Our study was conceived taking into account the need for a tool that would allow the comparison between different products and that would simulate full-scale applications with as much reliability as possible.…”