 The findings concluded that concentrations of PCB congeners measured in soil samples are 2,000 times below the EPA's risk-based levels residential clean-up levels.The risk of health impacts from soil, vegetation, and air were within an acceptable range as with other rural areas without any known PCB activity.Concentrations of PCB congeners measured in soils, vegetation and air do not adversely affect ecological species, and there is no evidence that PCB congeners would migrate off-site at concentrations that would adversely affect the neighboring environment and communities.