**Acknowledgements**

The research is part of the PhD thesis "Studies and research concerning the remediation of heavy metal polluted soil by eco-technological procedure", in Romanian, realized by the author in 2011. Is a good opportunity to thank my colleagues Sorin Ciulei for his support in soil assessment and evaluation, Irina Fierascu and Radu Claudiu Fierascu for their support in the sample analyses by ICP-AES. Also I want to thank my thesis coordinator, Prof. Georghe Ionita for guidance in preparing the thesis and to Prof. Dumitru Ion for the financial support for the publication.
