Report suspected contaminated soil to the Navy immediately.
Caulking can contain PCBs. Demolition or renovation projects should test caulking to determine proper disposal methods.
The Navy is not aware of any PCB transformers on the Station. However, if the transformer does not have a PCB free label, it should be tested to verify that it is PCB-free.
Some structures may have paints that contain PCBs. If structure is suspected to have paint with PCBs, test paint chips for PCBs.
Light ballasts with PCBs are addressed separately.