Content -- Preface -- Summary -- 1. Introduction -- 1.1 Background -- 1.2 Scope and goal of this project -- 1.3 Production and use of sewage sludge -- 1.4 Pollutants in sludge - current legislation -- 1.5 History behind limit values -- 1.6 Summary of the VKM model -- 2. Methods and data -- 2.1 Data on sludge quality -- 2.2 General principles for calculation of effect based levels -- 2.3 Acceptable concentration in soil -- 2.4 Effect based levels in sludge -- 3. Organic pollutants in sludge from the Nordic countries -- 3.1 PAH -- 3.2 PCB -- 3.3 Phthalates -- 3.4 Alkylphenols -- 3.5 LAS -- 3.6 PBDE -- 3.7 Other organic compounds -- 4. Chemicals use and near future prognosis -- 4.1. Sources of selected substances to the WWTPs -- 4.2. Current legislation -- 4.3. Conclusions -- 5. Accumulation in soil -- 5.1 Accumulation of organic pollutants - review of case studies -- 5.2 Long-term accumulation in Nordic region -- 6. Effect based levels and risk assessment -- 6.1 Effect based levels -- 6.2 Comparing effect based levels with levels in Nordic sludge -- 7. To control pollution from use of sludge -- 7.1 Limit values or other ways to control? -- 7.2. Monitoring -- References -- Appendice 1. Contaminants in sludge from the Nordic countries -- Introduction -- Sweden -- Norway -- Denmark -- Finland -- Iceland -- Synthesis -- References -- Appendice 2. Substance-specific data used in the calculations -- References -- Appendice 3. Critical sludge concentrations for soil organisms, human exposure and birds -- Appendice 4. Management for soil protection -- Appendice 5. Limit values and application rates for sludge - a comparison between the Nordic countries.