These volumes contain the proceedings of the Fifth FZK/TNO Conference on Contaminated Soil. The themes discussed are as follows: 1. National and International Programmes. 2. Site Investigation. 3. Emission and Fate of Contaminants. 4. Characterization of Contaminated Soil. 5. Effects and Risks. 6. Standards and Protocols: Legal, Ecomic and Social Aspects. 7. Remediation of Contaminated Soil. 8. Sustainable Land Use. 9. Setting Priorities for Remediation Options. 10. Contributions from Workshops and Technical Sessions.