Inclusion of information about PFAS investigation and remediation in annual report on defense environmental programs

Section 2711 of title 10, United States Code, is amended— (1) in subsection (b), by adding at the end the following new paragraph: (6) Information on the costs associated with investigating and remediating per- and polyfluoroalkyl substances contamination, including— (A) detailed information regarding the total potential total costs to the Department of investigating and remediating such contamination at all locations where investigation and remediation is expected to be funded by the Department; and (B) the cost assumption analysis required under subsection (d).; and (2) by adding at the end the following new subsection: (d) PFAS cost assumption analysis The Secretary shall carry out an annual cost assumption analysis with respect to the most important contributors to the costs to the Department of investigating and remediating per- and polyfluoroalkyl substances contamination that— (1) includes— (A) an assessment of any changes in regulatory standards, treatment technologies, and site prioritization that could affect future costs; (B) examples of how modifying assumptions about contamination extent, remediation timelines, or emerging disposal methods could affect projected costs; and (C) an identification of any funding shortfalls or other constraints that could affect the investigation and remediation of such contamination; and (2) incorporates a risk and uncertainty analysis with respect to the effects of potential changes in the most important contributors to the costs to the Department of investigating and remediating per- and polyfluoroalkyl substances contamination, including— (A) variability in the extent of such contamination based on ongoing site assessments, inspections, and investigations; (B) shifts in regulatory requirements that could alter investigation and remediation strategies; and (C) advances in technologies for the treatment and disposal such contamination that could reduce or increase long-term costs..