Lun, 13/10/2003 / Mar, 14/10/2003

European Knowledge Network on Water (WEKNOW)

Jue, 23/10/2003 / Sáb, 25/10/2003

Ilustre Colegio de Abogados de Madrid. Programa Iberoamericano en Derecho Ambiental

Mié, 02/07/2003 / Mié, 02/07/2003

InternationalUltraviolet Association (IUVA)

Dom, 17/08/2003 / Vie, 22/08/2003

International Water Association (IWA ); Centre for Water Resources Research, Civil Engineering Department, University College Dublin

Lun, 10/11/2003 / Jue, 13/11/2003

La Red Mediterránea de Organismos de Cuenca (REMOC)

Mié, 24/03/2004 / Lun, 26/04/2004

Fondazione Eni Enrico Mattei

Lun, 17/05/2004 / Jue, 20/05/2004

National Water Quality Monitoring Council (EE.UU)

Mar, 16/09/2003 / Mié, 17/09/2003

Harmoni-CA

Vie, 12/09/2003 / Dom, 14/09/2003

Riga Forum

Dom, 19/09/2004 / Vie, 24/09/2004

International Water Association (IWA)