Sixth Meeting, 27-29 May 2009 (Stockholm) Fifth Meeting, 4 - 6 June 2008 (London) Workshop to Promote the Ratification of the Heavy Metals Protocol across the entire UNECE region", 14- 16 May 2008, Yerevan (Armenia) Fourth Meeting, 6 - 8 June 2007, Vienna (Austria) Third meeting: 9 - 12 May 2006, Ottawa (Canada) Second meeting: 16-17 June 2005, (Geneva) First meeting: 16-18 March 2005, (Berlin)