Joint Minister of Employment Policy and Labour/Minister of Health, Social and Family Affairs Decree 3/2003 (11 Mar) FMM-ESZCSM requires zone classification for workplaces in potentially explosive environments, where explosive atmospheres may develop through the mixing of combustible gases, vapours, mists (aerosols) or dusts and air.

ExVA Kft undertakes the drafting of zone classification for technologies and plants where potentially explosive materials (mixture of dusts, gases, vapours, mists and air) are used, whether as part of the ex-proof documentation or based on specific orders, and also the updating of zone classification, as required, according to the MSZ EN 60079-10-1:2016/ MSZ EN IEC 60079-10-1:2021 and MSZ EN 60079-10-2:2015 standards.