Source and Transport Cycle of PFAS (IMAGE) Geological Society of America Caption Source and transport cycle of PFAS in the terrestrial environment. Credit Figure provided courtesy of Michigan Dept. of Environment, Great Lakes, and Energy (EGLE). Usage Restrictions Figure provided courtesy of Michigan Dept. of Environment, Great Lakes, and Energy (EGLE). 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.