[Technical in situ methods and their environmental hygiene control during the biological purification of soil and groundwaters polluted by organic halogens]. / Technische in-situ-Massnahmen und ihre umwelt-hygienische Uberwachung bei der biologischen Reinigung von halogenorganisch-organisch belasteten Böden und Grundwässern.

The contribution deals with the following topics: --A possible utilization of the biological soil remediation techniques. --Laboratory investigations for remediation projects. --Development of pilot treatments projects. --Technical treatments, monitoring, and the enhancement of microbial activities on a full scale.