adaptation and testing of the Waterloo design for use in wells greater than 165 feet (50 m) deep; development and institutionalization of a classification system for water sources that incorporates not only water quality criteria but also sanitary protection, construction, and state of repair; investigation of the use of new materials and other types of plastics such as acrylonitrilelbutadinelstyrene (ABS); studies on the performance of various above-ground configurations; and studies on how water becomes contaminated from the well to the home and how behaviour can be changed (with the help of technological interventions) to reduce the risk of contamination. 70
Participants ZAINUDDIN ARSHAD, Ministry of Health, 3rd Floor, Block E, Jalan Dungun, Kuala Lumpur, Malaysia. ANTONIO BRAVO, Institute for Small-Scale Industries, University of the Philippines, Enrique T. Virata Hall, Emilio Jacinto Street, UP Campus, Diliman, Quezon City, Philippines. CHAN BOON TEIK, Director, Water Supply Division, Department of Public Works, Ministry of Public Works and Utilities, Jalan Dato Onn, Kuala Lumpur, Malaysia. CHEE KIM MENG, Plant Manager, Johnson and Johnson Sdn Bdh, Jalan Tandang, Petaling Jaya, Selangor, Malaysia. CHETPAN KARNKAEW, Chief, Rural Water Supply Division, Department of Health, Ministry of Public Health, Devavesm Palace, Samsen Road, Bangkok 2, Thailand. CHO JOY LEONG, Federal Land Development Authority (FELDA), Jalan Gurney, Kuala Lumpur, Malaysia. CHONG KAH LIN, Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Pantai Valley, Kuala Lumpur 22-11, Malaysia. PATHIRANA DHARMADASA, Lanka Jathika Sarvodaya Shramadana Sangamaya (Inc.), 77 de Soysa Road, Moratuwa, Sri Lanka. ERNESTO D. GARILAO, Executive Director, Philippines Business for Social Progress, 4th Floor, Yutiro Building, 270 Dasmarinas Binondo, Manila, Philippines. GOH SING YAU, Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Pantai Valley, Kuala Lumpur 22-11, Malaysia. MICHAEL GRAHAM, Regional Liaison Officer, Communications Division, International Development Research Centre, Tanglin P.O. Box 101, Singapore 9124. ZAINAL HAJI HASHIM, RISDA, Risda Building, Jalan Ampang, Kuala Lumpur, Malaysia. RUS ISMAIL, State RISDA Office, Jalan Pengkalan Rama, Malacca, Malaysia. TIM JOURNEY, The World Bank, 222 New Eskaton Road, Dhaka, Bangladesh. LEE KAM WING, Program Officer, Health Sciences Division, International Development Research Centre, Tanglin P.O. Box 101, Singapore 9124. LEE KWOK MENG, Federal Land Consolidation and Rehabilitation Authority (FELCRA), P.O. Box 2254, Kuala Lumpur, Malaysia. LUM WENG KEE, Senior Public Health Engineer, Ministry of Health, 3rd Floor, Block E, Jalan Dungun, Kuala Lumpur, Malaysia. PETER LUTTIK, Programme Officer, UNDP, P.O. Box 2544, Kuala Lumpur 11-04, Malaysia. UZIR A. MALIK, Department of Agriculture and Resource Economics, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia. ZULAZMI MAMDY, Proyek Pedesaan, Universitas Indonesia, Salemba Raya 4, Jakarta, Indonesia. CHARLES NAKAU, Appropriate Technology Development Institute, P.O. Box 793, Lae, Papua New Guinea. PICHAI NIMITYONGSKUL, Division of Structural Engineering and Construction, Asian Institute of Technology, P.O. Box 2754, Bangkok, Thailand. PRASERT SAISITHI, Director, Institute of Food Research and Product Development, Kasetsart University, P.O. Box 4-170, Bangkok 4, Thailand. KAMAROL ZAMAN ABDOL RAHMAN, Department of Agricultural and Resource Economics, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia. SAW KIM HOCK, RISDA, Risda Building, Jalan Ampang, Kuala Lumpur, Malaysia. DONALD SHA<strong>RP</strong>, Program Officer, Health Sciences Division, International Development Research Centre, P.O. Box 8500, Ottawa, Ontario, Canada K1G 3H9. C.J.A. STAMBO, Chief Engineer, Ground Water, National Water Supply and Drainage Board, Galle Road, Ratmalana, Colombo, Sri Lanka. WILLY SUWITO, Engineer, Directorate of Sanitary Engineering, 4th Floor, Main Building, Jalan Pattimura 20, Kebayoran Baru, Jakarta, Indonesia. 71