Word: millimicrogram
(lookup in dictionary)
(lookup stats)
Dates: during 1950-1950
Sort By: most recent first
(reverse)
Plutonium is different. When it gets into the human body, it accumulates in the bones and spleen and stays there, gradually killing the tissue cells around it. A mere trace is poisonous. Water containing more than one millimicrogram of plutonium per liter (one part in one trillion) is dangerous. Isolating it does no good: plutonium loses only one-half of its activity in 25,000 years...
| 1 |