| | WFD Priority substances in sediments from Stockholm and the |
| | 1,69 | | MB | Svealand coastal region |
| | 85 | | stron |
| | 4418 | | ID | IVL Swedish Environmental Research Institute Ltd. |
| | 2003 | | rok |
| | Table of contents |
| | Summary.3 |
| | Sammanfattning.4 |
| | 1 Background - Water Framework Directive and the Priority Substances 6 |
| | 2 The study area 10 |
| | 3 Methods14 |
| | 3.1 Sampling 14 |
| | 3.2 Chemical analysis 14 |
| | 3.3 Statistics and graphical presentation 16 |
| | 4 Results 19 |
| | 4.1 Metals 19 |
| | 4.2 Polycyclic aromatic hydrocarbons (PAH). 25 |
| | 4.3 Chlorobenzenes . 26 |
| | 4.4 Benzene and chlorinated solvents 28 |
| | 4.5 Pesticides . 28 |
| | 4.6 Di (2-ethylhexyl) phthalate (DEHP) 33 |
| | 4.7 Alkylphenols 34 |
| | 4.8 Polybrominated diphenyl ethers (PBDE) and TBBPA 37 |
| | 4.9 C10-13 Chlorinated alkanes (SCCA) . 40 |
| | 4.10 Hexachloro-1,3-butadiene (HCBD). 41 |
| | 4.11 Tributyltin (TBT). 42 |
| | 4.12 Polychlorinated biphenyls (PCB) 43 |
| | 4.13 Non-WFD Pesticides . 45 |
| | 4.14 Sewage sludge 46 |
| | 5 Discussion 48 |
| | 5.1 General observations . 48 |
| | 5.2 Geographical trends. 49 |
| | 5.2.1 Central Stockholm 50 |
| | 5.2.2 Lakes. 50 |
| | 5.2.3 Coastal region. 51 |
| | 5.3 Changes since 1997? . 52 |
| | 5.4 Are the levels in sediments representative for the substances flow in the aquatic environment? |
| | 54 |
| | 5.5 Risk for biological effects 57 |
| | 5.5.1 Organic substances . 57 |
| | 5.5.2 Metals . 61 |
| | 6 Conclusions 63 |
| | 7 Acknowledgements 64 |
| | 8 References 64 |
| | Appendix analytical data ..69 |