Radio Active Materials in T53 Engine

After knowing about this information for years I felt this is information that many may not know about, the radio active materials in the T53 Engine. The warnings used to be in the areas of the book where you were working. With the manual changes they are harder to find. When you see that white powder on the bottom of the inlet usually because the clamp is installed incorrectly that is the Magnesium / Thorium alloy, It should not be touched or inhaled. There are very special instructions for dealing with it. When in doubt contact your engine shop. The exciter boxes were removed from active aircraft years ago, but I have seen engines that were put aside in cans or on early aircraft that came out of the system before the changeover that still have the radioactive ones. As long as they are still sealed they are safe. Information I thought should be shared. Four pages follow... Pete Frinchaboy