We consider as a very important result the confirmation of the forecast for PCB concentrations in Krupa river water, made by the model of wash-out of PCBs from the undergroung. We estimate that the model is now validated and will serve for the planning of the future uses of Krupa river water. Activities related to the optimization of the destruction of PCB in the deposit in Semič is described in the report IJS DP 11247, A, Stergaršek, P. Frkal: PCB L2 2211 KONČNO POROČILO O DELU, 10 marec 2013
F.09 Development of a new technological process or technology