Test (image) Helmholtz Association Caption It is intended that the list of priority substances that have to be monitored by the authorities in Europe will be extended from its current 33 to 45 substances. The chemical triclosan is not one of these new candidates however. Credit Photo: André Künzelmann/UFZ Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.