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Tiny traces of cocaine on dollar bills study
A U S study finds 90 percent of 234 bank notes from 17 U S cities carry trace amounts of cocaine. Larger cities like Baltimore Boston and Detroit show higher levels while Salt Lake City is lower. Data from 30 locations in five countries accompanies comments from researchers and a Bureau of Engraving and Printing official.
MENTIONED IN THIS ARTICLE
Washington, D.C
U.S
Baltimore
Boston
Detroit
Salt Lake City
Washington
Yuegang Zuo
University of Massachusetts
Dartmouth
American Chemical Society
Zuo
Bureau
Canada
Brazil
China
Japan