2021-05-252021-05-2520199786163165114https://hdl.handle.net/20.500.14156/578756Cover Page Preface Contents State of surface water quality and coastal water quality, and Water quality management State of air quality and Air quality management State of solid waste and hazardous waste, and Solid waste and hazardous waste management Rear Page52application/pdfthaPollutionWater Resources ManagementWater Quality StandardsHazardous wasteGarbageTextPollution Control Department Ministry of Natural Resources and Environment