Lun, 13/02/2006 / Jue, 16/02/2006

Mar, 21/02/2006 / Mar, 21/02/2006

The Chartered Institution of Water and Environmental Management (CIWEM)

Mar, 27/06/2006 / Vie, 30/06/2006

Dom, 19/03/2006 / Mié, 22/03/2006

American Water Works Association (AWWA);Water Environment Federation's (WEF)

Dom, 19/02/2006 / Mié, 22/02/2006

American Water Works Association (AWWA);Water Environment Federation's (WEF)

Lun, 10/07/2006 / Vie, 14/07/2006

Asia Oceania Geosciences Society (AOGS)