; and (II) outcome metrics that measure cumulative risk reduction over time; and ; (6) by striking subparagraph (E); and (7) by redesignating subparagraph (F) as subparagraph (E). 10. CFATS regulations Section 2107(b) of the Homeland Security Act of 2002 ( 6 U.S.C. 627(b) ) is amended— (1) in paragraph (1), by inserting ( Public Law 113–254 ; 128 Stat. 2919) after 2014 ; and (2) in paragraph (2), by striking 2014 and inserting 2018 . 11. Small covered chemical facilities Section 2108 of the Homeland Security Act of 2002 ( 6 U.S.C. 628 ) is amended— (1) in subsection (b)— (A) by striking tools, methodologies, or computer software and inserting tools and methodologies ; and (B) by striking cybersecurity, ; and (2) by striking subsection (c). 12. Explosive materials (a) In general Title XXI of the Homeland Security Act of 2002 ( 6 U.S.C. 621 et seq.) is amended by striking section 2109 ( 6 U.S.C. 629 ) and inserting the following: 2109. Explosive materials The Secretary may not designate any explosive material subject to regulation by the Department of Justice under chapter 40 of title 18, United States Code, or by the Bureau of Alcohol, Tobacco, Firearms, and Explosives under part 555 of title 27, Code of Federal Regulations, as a chemical of interest under Appendix A to part 27 of title 6, Code of Federal Regulations. . (b) Technical and conforming amendment The table of contents in section 1(b) of the Homeland Security Act of 2002 ( Public Law 107–196