Graph (IMAGE) Stockholm University Caption New chemicals are often not recognized in analyses of fish in the Baltic Sea, shows a study from the Department of Environmental Science and Analytical Chemistry at Stockholm University. The reason is that one chooses to search for chemicals that are already known, and much of those who are already regulated by law. Many toxic chemicals that are not yet regulated are often overlooked in the environmental monitoring. Credit Anna Sobek Usage Restrictions Creative Commons License Licensed content 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.