The German Federal Environment Agency (UBA), in coopaertion with the German Federal Institute for Risk Assessment (BfR), has banned the trade of the the cleaning products named 'Porçöz' on October, 29th, 2010.

The products contain at least 20% nitric acid and thus pose a serious risk to health. According to EUropean Union's legislation the ban is temporary and will be in force until a final decision is taken by the European Commission. The products banned were available mainly in supermarkets that supply Turkish products.

German poisons centres had reported 134 exposures with high propotion of severe poisonings (mostly corrosions) as a result of contact with these products.