PFAS CYCLE (IMAGE) Geological Society of America Caption PFAs cycle Credit Credit: The Michigan Dept. of Environment, Great Lakes, and Energy (EGLE). Usage Restrictions Credit: The 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.