17.1 - Introduction
17.2 - Chemicals and Chemical Products 17.2.1 - Impacts of chemicals 17.2.2 - The sources of chemicals 17.2.3 - Selected chemicals of concern 17.2.3.1 - Eutrophying substances (nitrogen and phosphorus) 17.2.3.2 - Heavy metals and metalloids 17.2.3.3 - Polychlorinated biphenyls (PCBs) 17.2.3.4 - Dioxins 17.2.3.5 - Oil 17.2.3.6 - Polyaromatic hydrocarbons (PAHs) 17.2.3.7 - Polyvinylchloride (PVC) 17.2.3.8 - Chlorofluorocarbons (CFCs) and halons 17.2.3.9 - Asbestos 17.2.3.10 - Washing powders and detergents 17.2.3.11 - Pesticides 17.2.4 - Conclusions
17.3 - Genetically Modified Organisms 17.3.1 - Uses and applications 17.3.2 - Potential undesirable effects 17.3.3 - Risk assessment and risk management
17.4 - Conclusions