Indonesian Society of Sanitary and Environment Engineers (IATPI) is an expert association in the field of Sanitation and Environmental Engineering which includes clean water supply, waste management, liquid waste management, air pollution control, B3 waste management, environmental damage recovery, and drainage. Formed in Bandung in October 1977, IATPI currently has over 1,000 members serving in the government, private sector, universities, NGOs and others. In addition to running the Water Pollution Control Manager (MPPA) certification, IATPI also carries out the certification of TL experts in... see more construction services. IATPI is involved in policy studies, product design, training, and technology exhibitions in the field of TP/TL.