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A comment on 90 percent of U.S. bills carry traces of cocaine (2009). Parent comment

Re:90 percent of U.S. bills carry traces of cocaine (2009) by simonebrunozzi on Sunday March 13, 2016 @03:11AM (#11276588)
Hmm... on [1], how can it be that they tested 10 banknotes, and "92%" tested positive?
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Re:90 percent of U.S. bills carry traces of cocaine (2009) by bluenose69 on Sunday March 13, 2016 @08:42AM (#11277484)
Quoting from [1]: "ten randomly collected one-dollar bills from five cities"
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