toiming, mis võimaldab PCB-ga saastunud seadmeid, esemeid, materjale ja vedelikke ohutult korduskasutada, ringlusse võtta või kõrvaldada, sealhulgas asendada PCB sobiva PCB-sisalduseta vedelikuga, all operations which enable equipment, objects, materials or fluids contaminated by PCBs to be reused, recycled or disposed of under safe conditions, and which may include replacement, meaning all operations in which PCBs are replaced by suitable fluids not containing PCBs