Cocaine Found on 90-Percent of U.S. Bills

By Kevin Parrish, published on August 17, 2009 at 8:00 PM
Source: Tom's Guide US | Keywords: , , , | Themes: Business
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Cocaine could be in your wallet or purse according to a recent test on money.

Money is known to be one of the dirtiest things we handle on a daily basis. Imagine customers who use the toilet and then pay for their food without washing their hands. Those germs pass from customer to employee to bank clerk and then right back to you. Now imagine every single U.S. bill, whether it's a George Washington or a Ben Franklin: those germs pass from person to person and acquire additional cooties in the process.

But who would have thought that 90-percent of our bills have traces of cocaine? As reported by Scientific American, a recent analysis of 234 banknotes from 18 American cities showed that very number: 90-percent of the bills tested provided evidence of cocaine. Not only is snot, urine, E.coli and other nasties covering our currency, but apparently drug dealers and recipients are using the government paper to snort, sell and buy the drug. More than 2 million Americans used cocaine in 2007 according to the U.S. Office of National Drug Control Policy.

According to the findings presented today at the biannual meeting of the American Chemical Society, Washington D.C. (unsurprisingly) ranked the highest on the survey with a 95-percent contamination (those darn politicians). Baltimore, Boston, and Detroit followed the nation's capitol in the survey, and Salt Lake City ranked at the very bottom of the list.

The percentage of contaminated bills is also rising according to chemist Yuegang Zuo of the University of Massachusetts Dartmouth, who conducted the tests. The contamination isn't locked into the United States either; Canada and Brazil also show signs of the drug on their bills as well.

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MrBradley 08/18/2009 2:09 AM
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tsiberious 08/18/2009 2:14 AM
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montezuma 08/18/2009 2:17 AM
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montezuma 08/18/2009 2:19 AM
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tsiberious :
This is highly suspect. I would tend to believe there was trace amounts of cocaine on their equipment which made them think it was on the bills.eg: If I'm wearing purple sunglasses the world is 95% purple.



Uh, yeah. These people are stupid enough to forget to clean their equipment. Chances are the bills received an application of a certain chemical to show the presence of certain drugs.

brendano257 08/18/2009 2:34 AM
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To be expected I guess, since it's trace amounts it doesn't come off easily, and just gets wiped off onto more in the wallet, it's inevitable really.

Now, instead of Bush sitting there, shouldn't it be Scarface...I believe that's where the original picture came from.....

kato128 08/18/2009 2:47 AM
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Guess that explains that nice tingly feeling you feel when you get paid...

Anonymous 08/18/2009 2:55 AM
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Of course DC had the highest rate... Wherever there's wealthy white men with political power, there's coke and gay male escorts....

Burodsx 08/18/2009 2:56 AM
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I guess this explains why I'm addicted to money.

mlopinto2k1 08/18/2009 3:25 AM
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Man, the some of the comments on here are f-in hilarious!! Whoever smashed George's head on Al Pacino did a good job! Man, I posted it on my facebook... awesomeness. Oh yea, about the topic? Who gives a shit.

10tacle 08/18/2009 3:28 AM
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chuckdalton 08/18/2009 3:32 AM
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Here in Canada, 87% of bills have traces of maple syrup.

homerhellboy223 08/18/2009 3:50 AM
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wtf with the bush_cocaine picture? what does that have to do with anything?

WheelsOfConfusion 08/18/2009 4:00 AM
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You'd think with all the money laundering that goes on those bills would be squeaky clean.

Mrhappy50 08/18/2009 4:01 AM
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^You would be surprised..... that's where our tax money went

gekko668 08/18/2009 4:01 AM
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If the u.s bills is the most dirtiest then the keyboard and mouse should be the second and third dirtiest right?

mlopinto2k1 08/18/2009 4:04 AM
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LMFAO @ chuckdalton!!

The Bush and Cocaine picture is just downright funny. Oh Yea homerhellboy223 - You must've not read the entire article. Here, let me quote

ABOVE ARTICLE :
According to the findings presented today at the biannual meeting of the American Chemical Society, Washington D.C. (unsurprisingly) ranked the highest on the survey with a 95-percent contamination (those darn politicians).


mcappleman 08/18/2009 4:05 AM
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I usually lick every bill i have. It's a good way to build up immunities! :)

Draven35 08/18/2009 4:10 AM
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234 bills? with the billions in circulation, 234 bills is a good sample set- 13 bills per city? were they ones, tens, twenties, hundreds? Were all the bill collected at the same sample point, thus contacting one another and polluting the samples?

frozenlead 08/18/2009 4:30 AM
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That sample size is not large enough to paint a picture for the whole country.

MDillenbeck 08/18/2009 4:35 AM
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Thanks for pointing that out Draven35 - there is something called an unrepresentative sample - and this is a common fallacy people fall for.

For those of you who have forgotten your statistics (or who never had to take it or a rigorous research science course), we can only extrapolate about the population we sampled. When we sample only 18 US cities (in other words, excluding many other cities, smaller urban settings, and all rural settings) then saying the results apply to the entire US currency set is an overgeneralization.

Its kind of like sampling 100 campuses across the US and stating that US citizens are liberal or sampling Nigeria and then concluding 98% of the human population is black.

I fully agree with the lecturer I saw on TED that said we need to change the apex of high school mathematics from calculus to probability and statistics. (For that matter, also change the goal of English from grammar to logic and argument - spelling is important but sound and valid reasoning is critical.)

MDillenbeck 08/18/2009 4:42 AM
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Went to the Scientific America article to find out more - $1, $5, $10, $20, and $100 bills were samples.

If we are to assume an equal number of each bill, then this gives a sample size of 2.6 bills per denomination per city. N = 2.6 is no where near the needed sample size.

Where were these samples taken? At banks, from store registers, out of volunteers' wallets? Why so few?

My favorite response from that article's comments was by ifitzme:

Quote :Maybe they should find out what the guy that collected the money has been doing in his spare time.


Wouldn't that be an interesting confound! :P

RazberyBandit 08/18/2009 4:58 AM
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All it would take is one heavily contaminated bill to ruin an entire sample. Isn't it convenient how nowhere in either this writing or the one by Scientific America does it state that the samples were properly isolated prior to testing? This goes along with what frozenlead and MDillenbeck have been pointing out about the samples themselves.

This is just one more pile of garbage recycled as "scientific research."

omnimodis78 08/18/2009 5:29 AM
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I think statistically speaking this statistic is inacurate...

FSXFan 08/18/2009 5:37 AM
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Really old news. I read this well over a year ago.

sloch 08/18/2009 5:44 AM
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I don't see why anyone is surprised at the number. It's old news.

Pretending it's new though... Just now I opened up my wallet and found bills that have been in circulation for over a decade. The study is reporting on whether trace amounts of cocaine were present or not, regardless of how much. Given the small amounts they're looking for, a clean bill could just as easily be "cocainized" merely through contact with a contaminated bill. Or even a single dirty bill passes through a cashier station, and the cashier passes trace amounts of cocaine to other clean bills through skin contact. Over ten years, that's a lot of paper a dirty bill could contaminate.

A much more interesting study would be to find the correlation between contamination ratio and the age of the bill. Building that picture up over many years could probably tell you something interesting and useful about a substance's use.

rcmaniac25 08/18/2009 5:51 AM
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So thats why so everyone likes money...

redgarl 08/18/2009 5:56 AM
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I think we can admit that America is addicted to something...

bourgeoisdude 08/18/2009 6:22 AM
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MDillenbeck :
Went to the Scientific America article to find out more - $1, $5, $10, $20, and $100 bills were samples.



...so $50 bills are clean?

gman24 08/18/2009 6:32 AM
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The Benjamins are fine

justiceguy216 08/18/2009 6:34 AM
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Well that does it, I'm boycotting money.

maigo 08/18/2009 8:08 AM
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Yet ANOTHER slow news day, this has been common knowledge since before I started using Bolivian Marching Powder


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