This book details how safety (i.e. the absence of unacceptablerisks) is ensured in areas where potentially explosive atmospheres (ATEX) canarise. The book also offers readers essential information on how to comply withthe newest (April 2016) EU legislation when the presence of ATEX cannot beavoided. By presenting general guidance on issues arising out of the EUATEX legislation – especially on zone classification, explosion risk assessment,equipment categorization, Ex-marking and related technical/chemical aspects –the book provides equipment manufacturers, responsible employers, and otherswith the essential knowledge they need to be able to understand the different –and often complicated – aspects of ATEX and to implement the necessary safetyprecautions. As such, it represents a valuable resource for all those concernedwith maintaining high levels of safety in ATEX environments.