"Explosive atmosphere" means a mixture with air, at atmospheric conditions, of flammable substances in the state of gas, vapors, mists or combustible dusts as defined by art. 288 of Legislative Decree 81/08.
Safety in workplaces with danger of explosion is regulated, at European level, by two directives commonly referred to as ATEX (ATmosphères EXplosibles): directive 99/92 / EC which mainly affects Employers and directive 94/9 / EC , mainly addressed to designers and constructors of equipment and machinery.
