Because PCBs are fire-resistant, they've been used widely in electrical equipment, as fluids in electrical capacitors and transformers.
They were also used in wire/cable coatings and in insulation. Using PCBs to make these products is now banned.
The PCB regulations require any equipment that could contain PCBs to be treated as if it definitely contains PCBs unless you have proof otherwise. Equipment that may contain PCBs includes:
- electrical transformers
- power factor capacitors
- heat transfer equipment
- pole-mounted transformers
- process heating equipment
- vacuum pumps
- high temperature hydraulic systems
- electrical resistors
- bushings and other high voltage equipment
- fluorescent light ballasts
- hospital diagnostic equipment
Any equipment on this list can be assumed to be free from PCBs if it was manufactured in Europe after 1986.