Lower labor cost. Highly trained and skilled labor pool at that...

Lower labor cost. Highly trained and skilled labor pool at that cost. Lower energy cost. Massive tax incentives were given by Malaysia to locate plant there. Radiation was never a consideration. Mount weld is very old so all that is left is alpha emitters. a single piece of paper or skin stops them. The danger is when they are inhaled or ingested. The DNA in soft tissue is damaged and cancer can result with prolonged exposure.

Also process needs lots of water which is usually abundent in Malaysia. Have been problems recently