The concept of essential use for determining when uses of PFASs can be phased out

Cousins, Ian T.; Goldenman, Gretta; Herzke, Dorte; Lohmann, Rainer; Miller, Mark; Ng, Carla A.; Patton, Sharyle; Scheringer, Martin; Trier, Xenia; Vierke, Lena; Wang, Zhanyun; DeWitt, Jamie