Comprehensive controls on the handling and disposal of chemical waste began in May 1993 with the opening of the Chemical Waste Treatment Centre and full implementation of the Waste Disposal (Chemical Waste)(General) Regulation.

• 一九九三年五月，化学废物处理中心启用，加上《废物处置(化学废物)(一般)规例》全面实施，化学废物的处理和处置受到全面管制。