A wide variety of chemicals used in various experimental sites. Improper storage will increase the risk of hazards, so separate collection according to the characteristics of each type of waste. Dissimilar and incompatible wastes are clearly separated, and stored them in the site with Professional pollution prevention equipment. All acts are based on NTHU’s waste disposal plan and comply with environmental protection laws. Due to reduce risk of personnel exposure to hazards, managers and operators are equipped with high-standard protective equipment. In 2020, a total of about 162 tons were cleared and transported.