From 1 July 2006, the EN 50021:1999 for Ex n products and the EN 50019:2000 for Ex e products, no longer give a Presumption of Conformity with the directive. The Presumption of Conformity is obtained by using the successors of the standards, the EN 60079-15 (2003) and the EN 60079-7 (2003) respectively.  

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