Hazardous Chemicals Sign (IMAGE) UK Centre for Ecology & Hydrology Caption Yellow hazardous chemicals sign Credit Pixabay Usage Restrictions Pixabay License: https://pixabay.com/service/license/ 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.