Mié, 29/09/2004 / Sáb, 02/10/2004

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

Mié, 22/10/2003 / Vie, 24/10/2003

Mar, 18/11/2003 / Mié, 19/11/2003

Paper Technology Specialists (PTS)

Mié, 10/03/2004 / Sáb, 13/03/2004

China Foreign Trade Guangzhou Exhibition Corp.

Dom, 11/06/2006 / Jue, 15/06/2006

American Water Works Association

Dom, 19/03/2006 / Mié, 22/03/2006

American Water Works Association

Lun, 06/02/2006 / Mié, 08/02/2006

Dechema

Mié, 11/01/2006 / Mié, 11/01/2006

The Chartered Institution of Water and Environmental Management (CIWEM)