Communist District Committee requests Kumamoto City to regulate PFAS to protect groundwater; Concentrations rise in Tsuboi River after TSMC factory starts operations

Following the start of operations at the Kumamoto No. 1 Factory of Taiwan Semiconductor Manufacturing Co., Ltd. (TSMC) in Kikuyo Town, a water quality survey by Kumamoto Prefecture revealed that the concentration of two types of fluorocarbon compounds (PFAS) in the Tsuboi River in Kita Ward, Kumamoto City, had increased. On the 3rd, the Communist Party of Japan's Kumamoto District Committee and the Kumamoto City Council Group submitted a petitio…