Fallout
Mike has a really hot load to haul this week: radioactive Iridium-192, which is used principally in industry, to detect small cracks in large metal pipes pumping liquids. The stuff is potentially deadly if it fell out of the protective lead box it's in. Mike delivers the load in good condition, and on time. [scientific note: Iridium-192 is a radioisotope with a half-life of 72 days. So after 72 days, only 1/2 is still radioactive; after another 72 days, only 1/4; then 1/8th, and so on.]
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