Well according to a comment on the reddit discussion 28 seconds of exposure from... | Hacker News

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		Houshalter on Dec 5, 2013 \| parent \| context \| favorite \| on: Stolen cobalt-60 found in Mexico; curious thieves ... Well according to a comment on the reddit discussion 28 seconds of exposure from a meter away is a lethal dose. No one just opens something for only 28 seconds, or stands a full meter away from it. God forbid if they actually touched the stuff.

tedunangst on Dec 5, 2013 [–]

Wouldn't that require knowing how much Cobalt-60 there was? Or is it always shipped in standard sized units?

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