Eurozone
Similar contaminations have been found on euro banknotes from Ireland, Spain, and Germany. Additionally, Germany had noted the unusual occurrences of German euros cracking and disintegrating after being withdrawn from ATMs, later explained as being caused by the sulfates used in the production of methamphetamine mixing with human sweat to form sulfuric acid, which breaks down the paper the euros are printed on. Most of the crystal methamphetamine present in Germany comes from Eastern Europe, and has a high level of sulfates.
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