This European Standard sets out the minimum requirements relating to the material, design, construction, filling, testing and inspection at time of manufacture of non-refillable, transportable small steel cylinders and their closures of water capacities up to and including 120ml containing non-toxic, non-flammable compressed or liquefied gases (hereinafter referred to as “compact cylinders??). NOTE1 Such cylinders are referred as “small receptacle containing gas (gas cartridges)?? in RID/ADR. NOTE2 For cylinders with capacities greater than 120ml, see EN12205 or ISO11118 .