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The U.S. Department of Energy (DOE) is considering updating its test procedures for water closets and urinals found at 10 CFR 430.23(u) and (v), respectively. The Energy Policy and Conservation Act (EPCA), as amended, requires that the test procedures for water closets and urinals are to be the test procedures specified in ASME/ANSI A112.19.6-1990, "Hydraulic Requirements for Water Closets and Urinals." (42 U.S.C. 6293(b)(8)(A)) If the requirements of ASME A112.19.6-1990 are revised at any time and approved by ANSI, DOE must amend the Federal test procedures to conform to the revised ASME standard, unless DOE determines by rule that to do so would not meet the requirements of EPCA that the test procedures be reasonably designed to produce test results which measure water use during a representative average use cycle as determined by DOE, and not be unduly burdensome to conduct. (42 U.S.C. 6293(b)(8)(B)) Since DOE’s last amendments to the test procedures, ASME revised ASME A112.19.2-2008 by issuing ASME A112.19.2-2013, followed by ASME A112.19.2-2018, "Ceramic Plumbing Fixtures." DOE is now considering specifically whether to conform the test procedures to ASME/ANSI Standard A112.19.2-2018, including updates to terms and definitions, figures, and tables, in response to revisions to the ASME standard and pursuant to the 7-year review requirement specified in EPCA.