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Federal Register / Vol. 86, No. 168 / Thursday, September 2, 2021 / Proposed Rules Issue 7: DOE requests comment on whether DOE should include the term rain shower and a definition of the term in its regulations.
Issue 8: DOE requests comment on whether any changes to current definitions related to the faucet and showerhead test procedure beyond those discussed in this RFI other than with regard to the issues raised in the July 2021 NOPR should be considered.
DOE requests comment on the potential impact to the scope of the Federal test procedure from any changes to the definitions, should DOE incorporate them. DOE also requests comment on whether any potential changes to the definitions would impact the repeatability and reproducibility of the test procedure or the representativeness of its results.

clarification in section 5.4.2.3.2 that hand showers are hand-held showers. DOE tentatively concludes that the update in ASME A112.18.12018
changing the term hand shower to hand-held shower is an insignificant clarification. Finally, the updates to Table 1 regarding the maximum flow rate for low-pressure water dispensers and minimum flow rate for showerheads relate to the water conservation standards and are therefore beyond the scope of the test procedures.
DOE adopted the statutory maximum water use standards for faucets and showerheads in 10 CFR 430.32o and p.
DOE also notes that ASME
A112.18.12018 does not contain any updates to the water consumption test method for showerheads.

B. Updates to Industry Standard In addition to the revised definitions described previously, ASME A112.18.1
2018 includes the following changes in comparison to the 2012 version incorporated into 10 CFR part 430: 1
A new requirement in section 5.4.2.3.1
specifying a lower water pressure for testing low-pressure water dispensers compared to the 60 1 psi water pressure used to test faucets; 2 a clarification in section 5.4.2.3.2 that hand showers are hand-held showers; and 3 updates to Table 1, including adding a low-pressure water dispenser maximum flow rate level and removing a note to refer to clause 4.11.1
for the showerhead minimum flow rate requirement.6 however, ASME
A112.18.12018 specifies a lower water pressurei.e., 105 7 kPa 15 1 psi.
Issue 9: DOE requests comment on the maximum water use test method for low-pressure water dispensers, as detailed in section 5.4.2.3.1 of ASME
A112.18.12018. DOE requests comment and data, if available, on the water pressure under which lowpressure water dispensers typically operate in the field, and the extent to which the specified water pressure of 105 7 kPa 15 1 psi is representative of actual use.
Issue 10: DOE also welcomes detailed information on the nature and extent of any testing cost or burden that would be associated with conducting the test for low-pressure water dispensers as specified in ASME A112.18.12018, as compared to the current DOE test procedure.
As discussed previously, ASME
A112.18.12018 also provides a
C. Showerhead Test Procedure In the December 2020 Final Rule, DOE maintained the test procedure for showerheads. DOE stated that the existing test procedure remains applicable to shower heads as defined by that final rule and that if issues arise where the existing test procedure does not produce a representative measurement of water use of a particular showerhead product, the manufacturer can seek a waiver from DOE pursuant to DOE regulations at 10
CFR 430.27. 85 FR 81341, 81351. DOE
also noted that EPCA requires DOE to consider on a periodic basis whether test procedures for a covered product should be amended under 42 U.S.C
6293. Id.
As noted, DOE has proposed to withdraw the definition of showerhead adopted in the December 2020 Final Rule, reinstate the definition of showerhead from the October 2013
Final Rule, and withdraw the interpretation from the December 2020
Final Rule. DOE also proposes to withdraw the definition of body spray. 86 FR 38594, 38603.
Issue 11: DOE requests comment on whether the existing test procedure for showerheads needs to be amended based on DOEs amended definition for showerhead i.e., the definition adopted in the December 2020 Final Rule. If so, DOE requests comment on the proposed amendments in the August 2020 NOPR, or on other test methods that would produce a representative measurement of water use. DOE also requests comment on whether the existing test procedure for showerheads would need to be amended were DOE to finalize the definition of showerhead proposed in the July 2021 NOPR i.e., the definition from the October 2013 Final Rule. If so, DOE requests comments and
6 DOE notes that ASME A112.18.12018 also contains several updates to specifications and test methods for commercial prerinse spray valves, which are not discussed in this RFI.

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information on what amendments would be needed and why.
III. Submission of Comments DOE invites all interested parties to submit in writing by October 4, 2021, comments and information on matters addressed in this notice and on other matters relevant to DOEs consideration of amended test procedures for faucets and showerheads. These comments and information will aid in the development of a test procedure NOPR for faucets and showerheads if DOE determines that amended test procedures may be appropriate for these products.
Submitting comments via www.regulations.gov. The www.regulations.gov web page will require you to provide your name and contact information. Your contact information will be viewable to DOE
Building Technologies staff only. Your contact information will not be publicly viewable except for your first and last names, organization name if any, and submitter representative name if any.
If your comment is not processed properly because of technical difficulties, DOE will use this information to contact you. If DOE
cannot read your comment due to technical difficulties and cannot contact you for clarification, DOE may not be able to consider your comment.
However, your contact information will be publicly viewable if you include it in the comment or in any documents attached to your comment. Any information that you do not want to be publicly viewable should not be included in your comment, nor in any document attached to your comment.
Following this instruction, persons viewing comments will see only first and last names, organization names, correspondence containing comments, and any documents submitted with the comments.
Do not submit to www.regulations.gov information for which disclosure is restricted by statute, such as trade secrets and commercial or financial information hereinafter referred to as Confidential Business Information CBI. Comments submitted through www.regulations.gov cannot be claimed as CBI. Comments received through the website will waive any CBI claims for the information submitted. For information on submitting CBI, see the Confidential Business Information section.
DOE processes submissions made through www.regulations.gov before posting. Normally, comments will be posted within a few days of being submitted. However, if large volumes of comments are being processed
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