blog posts How can Illinois address the problem of PFAS pollution? Feb 10, 2022 8:15 am by Diana YatesExpert Viewpoints Share on Facebook Tweet Email Images Per- and polyfluoroalkyl substances are widespread, long-lasting and extremely difficult to remove from the environment. 'It seems that everywhere we look for PFAS, they turn up,' says U of I chemist John Scott. Share on Facebook Tweet Email