Editor's Preface. <BR><STRONG>Part 1: Current Practice and Trends.</STRONG> Biological soil treatment; <EM>J. Klein.</EM> <STRONG>1.</STRONG>Introduction. <STRONG>2.</STRONG> Fundamentals. <STRONG>3.</STRONG> Necessary preliminary investigations. <STRONG>4.</STRONG> Bioremediation techniques. <STRONG>5.</STRONG> Re-use of the soil. <STRONG>6.</STRONG> Bioassays for soil. <STRONG>7.</STRONG> Perspectives. References. Life cycle assessment in soil bioremediation planning; <EM>S. Volkwein.</EM> <BR><STRONG>Part 2:</STRONG> <EM><STRONG>Ex Situ</EM> Clean Up Technologies.</STRONG> The DMT-BIODYN-process; <EM>C. Sinder, et</EM> <EM>al.</EM> <STRONG>1.</STRONG> Introduction. <STRONG>2.</STRONG> Materials and methods. <STRONG>3.</STRONG> Results. <STRONG>4.</STRONG> Discussion. Acknowledgements. References. The slurry decontamination process; <EM>R.H. Kleijntjens, et al.</EM> <STRONG>1.</STRONG> Introduction. <STRONG>2.</STRONG> Classification of treatment technologies. <STRONG>3.</STRONG> Bioreactors. <STRONG>4.</STRONG> Configuration of <EM>ex situ</EM> bioprocesses. <STRONG>5.</STRONG> Scale-up. <STRONG>6.</STRONG> Conclusions. Acknowledgements. References. <BR><STRONG>Part 3: <EM>In Situ</EM> Clean-Up Technologies.</STRONG> <EM>In situ</EM> biological soil remediation techniques; <EM>P. Middeldorp, et al.</EM> <STRONG>1.</STRONG> Introduction. <STRONG>2.</STRONG> Source zone remediation techniques. <STRONG>3.</STRONG> Active plume management techniques. <STRONG>4.</STRONG> Natural attenuation. <STRONG>5.</STRONG> Discussion and outlook. References. <BR><STRONG>Part 4: Immobilisation of pollutants in the soil.</STRONG> Immobilisation of pesticides in the soil through enzymatic reactions; <EM>J.-M. Bollag.</EM> <STRONG>1.</STRONG> Introduction. <STRONG>2.</STRONG> Reactions between Pesticides and Humic Material. <STRONG>3.</STRONG> Enzymes and their origin. <STRONG>4.</STRONG> NMR spectroscopy to determine the type of binding of pesticides in the soil. <STRONG>5.</STRONG> Stability and release of bound pesticides. <STRONG>6.</STRONG> Enzymes as decontaminating agents. <STRONG>7.</STRONG> Conclusions. References. Humidification of nitroaromatics; <EM>D.</EM> <EM>Bruns-Nagel, et al.</EM> <STRONG>1.</STRONG> Introduction. <STRONG>2.</STRONG> Composting of soil contaminated with nitroaromatics. <STRONG>3.</STRONG> Optimisation of composting of TNT-contaminated soil. <STRONG>4.</STRONG> Transformation of TNT during anaerobic/aerobic composting. <STRONG>5.</STRONG> <SUP>14</SUP>C-TNT balancing in anaerobic/aerobic composting. <STRONG>6.</STRONG> Qualitative description of non-extractable <SUP>15</SUP>N-TNT residues formed by an anaerobic/aerobic composting. <STRONG>7.</STRONG> Conclusion. References. <BR><STRONG>Part 5: Phytoremediation.</STRONG> Phytoremediation; <EM>T. Macek, et al.</EM> <STRONG>1.</STRONG> Introduction. <STRONG>2.</STRONG> Examples of practical phytoremediation experiments. <STRONG>3.</STRONG> Basic research aspects. <STRONG>4.</STRONG> Genetic modifications. <STRONG>5.</STRONG> Conclusions. <BR>Acknowledgement. References. Index.