The Enhancement and Conservation of the National Environmental Quality Act B.E. 2535 ( NEQA 1992) (NEQA 1992) Pollution Prevention and Mitigation Policy in accordance with the Policy and Perspective Plan for Enhancement and Conservation of the National Environmental Quality 1997-2016 Water Quality Standards (August 2009) Air Quality and Noise Standards (October2007) Soil Quality Standard (November 2004) Notification of Pollution Control Department (in Thai) Other Laws Related to Pollution Control Pollution Control Officials and Other Competent Officials Example of Environmental Enforcement (in Thai) Regulation of Prime Minister’s Office (in Thai)