Mobile PCB Cleanup System Developed (IMAGE) University of Calgary Caption Gopal Achari, professor of civil engineering in the Schulich School of Engineering's Centre for Environmental Engineering Research and Education and Cooper Langford, professor of chemistry in the Faculty of Science, and an internationally recognized expert in photochemistry have developed new technology that promises a safer, cheaper way to clean up hazardous PCBs in soil using ultraviolet light. Credit Riley Brandt, University of Calgary Usage Restrictions None 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.