20 and 50 denominations 100 percent of them showed contamination with cocaine.

100 percent of banknotes in Dublin contaminated with cocaine An ongoing research project into the recognition of illicit drug use shows that of an example of bank notes in current circulation in the higher Dublin area – Euro 5, 10, 20 and 50 denominations – 100 percent of them showed contamination with cocaine. The extensive research was completed by PhD student, Jonathan Bones, working under the supervision of Professor Brett Paull at DCU’s National Centre for Sensor Research which specialises in sensor technology found in medical diagnostics, environmental monitoring and various other industrial applications. The study was funded by the Irish Study Council for Science, Engineering and Technology drugstore .