Eco toxicology Acquatic ecosystems 1 Analytical chemistry 1 Aquatic chemistry 1 Biochemistry 1 Biogeochemical models 1 Chemistry 1 Ecology 1 Environmental aspects 1 Environmental chemistry 1 Green chemistry 1 Organic chemistry 1 Organic pollutants 1 Pollution 1 Polycyclic aromatic compounds 1 Simulation methods 1 Terrestrial ecosystem 1 Toxic metals 1 Toxicological chemistry 1 Toxicology 1