Contaminants of Emerging Concern (CEC): Those chemicals in detergents, fragrances, prescription and nonprescription drugs, disinfectants, and pesticides that recently have been shown to occur widely in water resources and identified as being a potential environmental or public health risk, although adequate data do not yet exist to determine their risk.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
👇 ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖