Annual audits of the occupational health and safety management systems ac cording to the BS OHSAS in 2015 by independent bodies at the Atherinolakkos, Meliti, Komotini, Mega lopolis I, Megalopolis II, Chania, Agios Dimitrios, Amynteo, Kardia, Aliveri, Rhodes and Keratea-Lavrio Steam Electric Stations.