Prototype Asbestos Detector (image) The Optical Society Caption This image shows a prototype asbestos detector unit with the lid removed. The prototypes are now undergoing field trials at various locations where asbestos removal operations are underway. Credit Credit: Paul Kaye, University of Hertfordshire, UK. 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.