The results presented in this report enable the derivation of test values for the pollutant groups of PCB and PAK. The presented concept is based on the estimation of soil and plant investigations already in the orientation phase. By that temporal delays can be avoided and indications of the causes are possibleAvailable from TIB Hannover: RR 211(7) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman