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

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

Wed, 22/10/2003 / Fri, 24/10/2003

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

Paper Technology Specialists (PTS)

Wed, 10/03/2004 / Sat, 13/03/2004

China Foreign Trade Guangzhou Exhibition Corp.

Sun, 11/06/2006 / Thu, 15/06/2006

American Water Works Association

Sun, 19/03/2006 / Wed, 22/03/2006

American Water Works Association

Mon, 06/02/2006 / Wed, 08/02/2006

Dechema

Wed, 11/01/2006 / Wed, 11/01/2006

The Chartered Institution of Water and Environmental Management (CIWEM)