; and (2) a description of how the Federal agencies under paragraph (1) are implementing the strategic plan described in subsection (d). (g) Sunset The interagency working group established under subsection (a) shall terminate 6 years after the date on which such working group is established. (h) PFAS research and development The term PFAS research and development includes any research or project that has the goal of accomplishing the following: (1) The removal of PFAS from the environment. (2) The safe destruction or degradation of PFAS. (3) The development and deployment of safer and more environmentally friendly alternative substances that are functionally similar to those made with PFAS. (4) The understanding of sources of environmental PFAS contamination and pathways to exposure for the public. (5) The understanding of the toxicity of PFAS to humans and animals. (6) Any other research project or goal that the Director determines appropriate.