Wed, 29/09/2004 / Sat, 02/10/2004

Office of Water Regulation (OWR), agencia perteneciente al Gobierno del Oeste de Australia

Wed, 25/06/2003 / Sat, 28/06/2003

FISA

Wed, 09/07/2003 / Fri, 11/07/2003

International Ultraviolet Association (IUVA)

Wed, 20/08/2003 / Sat, 23/08/2003

Global Sanitet Club of Finland; Association of Ecological Information; Tampere University of Technology (TUT); University of Tampere (UTA); Tampere Polytechnic (TP); Häme Polytechnic

Tue, 01/06/2004 / Fri, 04/06/2004

International Water Association (IWA)

Tue, 11/11/2003 / Wed, 12/11/2003

Sat, 11/10/2003 / Wed, 15/10/2003

Water Environment Federation

Wed, 19/11/2003 / Sat, 22/11/2003

University of Manitoba (Canada); Ukrainian State University of Chemical Technology (Ucrania); Dnepropetrovsk Municipal Administration (Ucrania)

Fri, 14/11/2003 / Fri, 14/11/2003

Institution of Civil Engineers; CIWEM

Tue, 18/11/2003 / Wed, 19/11/2003

Paper Technology Specialists (PTS)