The essence of the project is a survey of SEZ in the premises of the packaging plant Modřec, which has been contaminated for 40 years.PCB, and an assessment of its current risk from the perspective of new legislation, the current owner and new finance options for the complete elimination of the outbreak of SEZ from the landscape.Locality is registered in SEKM (ID 12535001, k.ú. Shelf, cat.P3) Contemporary corrective measures and monitoring stabilise the situation, but ultimately does not solve the neg. impact on the importance.source of drinking water (hole V6 in Polička) and landscape elements (ÚSES-NRBK, LBC).