In this paper. we describe the evolution of Toxic Chemical Substances Control Act (TCSCA) regulated by Taiwan Environmental Protection Administration during the past two decades. The TCSCA was originally drafted for the management of utilization and operation of toxic chemical substances from cradle to grave. Following the 921 earthquake in central Taiwan in 1999. https://www.roneverhart.com/Tzora-Titan-and-Hummer-Battery-Pack-with-Plastic-Casing-2-Batteries/