; (2) by redesignating subsections (c) through (e) as subsections (d) through (f), respectively; (3) by inserting after subsection (b) the following new subsection: (c) Treatment of certain materials Notwithstanding subsection (a), until the date on which the Secretary adopts the final rule pursuant to subsection (b), the Secretary may treat covered materials, including soils that have been contaminated with PFAS, through the use of any remediation or disposal technology that is approved by the Administrator of the Environmental Protection Agency. ; and (4) in subsection (e), as redesignated by paragraph (2), by striking subsection (c) and inserting subsection (d) . 336. Government Accountability Office reports on testing and remediation of perfluoroalkyl substances and polyfluoroalkyl substances Not later than one year after the date of the enactment of this Act, and not later than five years thereafter, the Comptroller General of the United States shall submit to the congressional defense committees a report assessing the state of ongoing testing and remediation by the Department of Defense of current or former military installations contaminated with perfluoroalkyl substances or polyfluoroalkyl substances, including— (1) an assessment of the thoroughness, pace, and cost-effectiveness of efforts of the Department to conduct testing and remediation relating to such substances; (2) recommendations to improve such efforts; and (3) such other matters as the Comptroller General determines appropriate. D Logistics and Sustainment 341. Modification of rule of construction regarding provision of support and services to non-Department of Defense organizations and activities Section 2012(i) of title 10, United States Code, is amended— (1) by redesignating paragraphs (1) and (2) as subparagraphs (A) and (B), respectively; (2) in the matter preceding subparagraph (A), as redesignated by paragraph (1), by striking Nothing in this section and inserting (1) Nothing in this section