On 26 October 2016, the Ministerial Regulation Re: Control on Contamination of Soil and Ground Water in Factory Areas B.E. 2559 (A.D. 2016) (“the Ministerial Regulation”) became effective. The purpose of this Ministerial Regulation is to provide personnel safety and preservation of the environment. This Ministerial Regulation applies and enforces factory business operators as specified in the annex to this Ministerial Regulation. A business operator is required to examine soil and ground water and control the level of contamination in soil and ground water. The soil and ground water contamination must not be higher than the standard level as stipulated by the Minister