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<font size="2" face="Verdana, Arial">The ³H tritium we worked with up at Hanford, WA was always considered a beta emitter......Originally posted by Charles Bradshaw:
Tritium is Radioactive and emits Gamma Rays among other things. This is why they are banned in USA. This is not the same as Tritium night sights (3 Tritium dots on gunsights). Tritium Night Sights are safer (whole lot less Tritium).