| Officiating at the certificate presentation ceremony for Water Conservation Ambassadors today (July 6) were (pictured from right to left), the Chairperson of the Working Group on Publication of Water Quality Data of the Advisory Committee on Water Resources and Quality of Water Supplies (ACRQWS), Dr Richard Cheung; the Chairperson of the Working Group on Public Education of ACRQWS, Ms Nicole Wong; the Director of Water Supplies, Mr Ma Lee-tak; the Chairman of the ACRQWS, Dr Chan Hon-fai; and the Chairperson of the Working Group on Quality of Water in Buildings of ACRQWS, Mr Ivan Lau.
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