ICS 13.230 - Explosion protection http://www.iso.org ISO standards and projects ISO - International Organization for Standardization 240 http://www.iso.org/iso/logo_iso.gif http://www.iso.org ICS 13.230 - Explosion protection ISO 6184-1:1985 - Explosion protection systems -- Part 1: Determination of explosion indices of combustible dusts in air This document reached stage 90.60 on 2011-03-17 , TC/SC: ISO/TC 21/SC 5, ICS: 13.230 Published standards ISO 6184-4:1985 - Explosion protection systems -- Part 4: Determination of efficacy of explosion suppression systems This document reached stage 90.93 on 2011-03-17 , TC/SC: ISO/TC 21/SC 5, ICS: 13.230 Published standards ISO 6184-3:1985 - Explosion protection systems -- Part 3: Determination of explosion indices of fuel/air mixtures other than dust/air and gas/air mixtures This document reached stage 90.60 on 2011-03-17 , TC/SC: ISO/TC 21/SC 5, ICS: 13.230 Published standards ISO 6184-2:1985 - Explosion protection systems -- Part 2: Determination of explosion indices of combustible gases in air This document reached stage 90.93 on 2011-03-17 , TC/SC: ISO/TC 21/SC 5, ICS: 13.230 Published standards