Table 3.

Summary of the occupational EMF installations measured [9, 15, 35].

Installation	Field range	Occupational overexposure	g.p. overexposure	Operating conditions	Hazard
NMR	Static	NO	YES	Normal	Pacemaker interference Projectile risk
MRI 1.5T	Static, RF, ELF	NO	YES	Normal	Pacemaker/implants interference Projectile risk
MRI 3T	Static, RF, ELF	YES	YES	Mainly maintenance	Pacemaker/implants interference Projectile risk Electrostimulation
Railway	ELF	NO	NO	Normal
FM Broadcasting	RF	NO	YES	Normal
AM Broadcasting	RF	YES	YES	Normal	Burns
RF plasma generator	RF	YES	YES	Maintenance	Burns
Port bridge cranes	ELF	NO	NO	Normal
MIG welding	ELF	NO	NO	Normal
Industrial furnace	ELF	NO	YES	Normal
Industrial motors	ELF	NO	YES	Normal
Industial Electrolysis	ELF, Static	NO	YES	Normal	Pacemaker interference Projectile risk
Power plants	ELF	YES	YES	Normal	Electrostimulation
Power Substations	ELF	NO	NO	Normal
Physiotherapy diathermy	RF	NO	YES	Normal
Common work office	ELF, RF	NO	NO	Normal

NMR: Nuclear magnetic resonance, Static: 0 Hz, g.p.: general public