Thorium in Welding?

[mikeland]

Does anyone have any info about the amount and type of 'rare' materials that can end up in welding supplies?

I suspect that Thorium in certain materials represents a hazard?

[alphadude]

thorium, cadmium, chrome, nickle are the major ones, thorium is not volatile

[wave_theory]

Read what the Health Physics Society has to say:

http://hps.org/publicinformation/ate/q1593.html

[SloGlo]

welding is gives less dose than smoking.