Dr N. O. Akmanoglu, WHO Centre for Environmental Health Activities (CEHA), Amman, Jordan
Professor S. J. Arceivala, Associated Industrial Consultants,
Bombay, India
Dr S. Cairncross, London School of Hygiene and Tropical
Medicine, London, England
Mr J. O. Espinoza, WHO Regional Office for Europe, Copenhagen, Denmark
Mr K. Gibbs, United Nations Children's Fund, Quetta, Pakistan
Dr I. Hespanhol, World Health Organization, Geneva, Switzerland
Professor K. O. Iwugo, University of Lagos, Lagos, Nigeria
Mr K. Khosh-Chashm, WHO Regional Office for the Eastern Mediterranean, Alexandria, Egypt
Dr H. Kitawaki, World Health Organization, Geneva, Switzerland
Mr J. N. Lanoix, Consultant Sanitary Engineer, Sarasota, FL, USA
Dr G. B. Liu, WHO Regional Office for the Western Pacific, Manila, Philippines
Dr P. Morgan, Blair Research Laboratory, Harare, Zimbabwe
Mr A. F. Munoz, Pan American Center for Sanitary Engineering and Environmental Science (CEPIS), Lima, Peru
Mr C. Rietveld, World Bank, Washington, DC, USA
Mr A. K. Roy, Consultant Sanitary Engineer, New Delhi, India
Mr L. Roy, Consultant Sanitary Engineer, Neuilly-sur-Seine, France
Mr R. Schertenleib, International Reference Centre for Waste Disposal, Dubendorf, Switzerland
Dr G. S. Sinnatamby, Senior Sanitary Engineer, United Nations
Centre for Human Settlements, Nairobi, Kenya
Mr M. Strauss, International Reference Centre for Waste Disposal,
Dubendorf, Switzerland
Mr M. S. Suleiman, World Health Organization, Geneva, Switzerland
Mr H. Suphi, WHO Regional Office for South-East Asia, New Delhi, India
Dr S. Unakul, WHO Western Pacific Regional Centre for the Promotion of Environmental Planning and Applied Studies, (PEPAS), Kuala Lumpur, Malaysia
Mr J. M. G. Van Damme, International Reference Centre for Community Water Supply and Sanitation, The Hague, Netherlands
Dr D. B. Warner, World Health Organization, Geneva, Switzerland