Natural river processes such as floods often cause the PCBs to be re-suspended in the river flow and transported to other areas.
(the PCBs; to transported; to other areas) (Natural river processes such as floods; cause; the PCBs to be re-suspended in the river flow and transported to other areas; T:often) Context(Natural river processes such as floods cause,List([0, 50))):(the PCBs; to be re-suspended; L:in the river flow)
Natural river processes such as floods cause,List([0, 50))
the PCBs Natural river processes such as floods the PCBs
to transported cause to be re-suspended
to other areas
the PCBs to be re-suspended in the river flow and transported to other areas T:often
L:in the river flow