environmental monitoring 12 Environmental Monitoring 10 Article 4 Malaysia 4 Water Pollutants, Chemical 4 human 4 procedures 4 water pollutant 4 Air quality 3 Environmental monitoring 3 Humans 3 Water quality 3 bioindicator 3 risk assessment 3 water quality 3 Air Pollutants 2 Climate change 2 Contamination 2 Cost effectiveness 2 Ecosystems 2 Effluent treatment 2 Effluents 2 Environmental protection 2 Environmental science, engineering & technology 2 Environmental variables 2 Extraction 2 Fungi 2 Health risks 2 Indoor air pollution 2 Indoor air quality 2