Cross References:IEC 60061IEC 60079-0IEC 60079-7IEC 60079-11IEC 60079-15IEC 60127ISO 965-1ISO 965-3ISO 2738ISO 4003ISO 4022ANSI/ASME B1.20.1EN 60079-0EN 60079-0+A11:2013EN 60079-7EN 60079-11EN 60079-15EN 60127EN ISO 2738EN 24003EN ISO 4022IEC 60050-426IEC 60079-20-1ISO 80000-1ANSI/UL 1203ISO 2859-1IEC 60034-1IEC 60079IEC 60079-14IEC 60086-1IEC 60112IEC 60622IEC 60623IEC 61508IEC 61951-1IEC 61951-2IEC 61960ISO 185ISO 468All current amendments available at time of purchase are included with the purchase of this document.