Microbe Degrades Tough Pollutant (IMAGE) Princeton University, Engineering School Caption In a series of lab tests, a relatively common soil bacterium has demonstrated its ability to break down the difficult-to-remove class of pollutants called PFAS. Credit David Kelly Crow Usage Restrictions non commercial use 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.