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Federal Register / Vol. 86, No. 149 / Friday, August 6, 2021 / Proposed Rules
dishwasher manufacturers are currently doing today.
DOE requests comment on the proposed reporting requirement for dishwashers, including any corresponding certification and reporting costs.
G. Commercial Clothes Washers 1. Scope of Applicability This NOPR applies to commercial clothes washers, which means a softmounted front-loading or soft-mounted top-loading clothes washer that: 1 Has a clothes container compartment that for horizontal-axis clothes washers is not more than 3.5 cubic feet, and for vertical-axis clothes washers is not more than 4.0 cubic feet; and 2 is designed for use in applications in which the occupants of more than one household will be using the clothes washer, such as multi-family housing common areas and coin laundries; or other commercial applications. 10 CFR 431.152; 42 U.S.C.
631121.

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2. Reporting Under the existing requirements in 10
CFR 429.46b, a CCW certification report must include the following public information: The modified energy factor MEFJ2 in cu ft/kWh/cycle and the integrated water factor IWF in gal/cu ft/cycle. 10 CFR 429.46b2ii.
DOE also maintains reporting requirements at 10 CFR 429.46b2i for models tested using Appendix J1, which as of January 1, 2018 is no longer used as the basis for demonstrating compliance with energy conservation standards.
In this NOPR, DOE proposes to remove the reporting requirements currently specified at 10 CFR
429.46b2i for models tested using appendix J1. As discussed, appendix J1
is used as the basis for demonstrating compliance with energy conservation standards for CCWs manufactured prior to January 1, 2018. DOE also proposes to update the term water factor in 10
CFR 429.46a2i to integrated water factor to match the current metric used as the basis for standards.15
In addition, DOE proposes to amend the CCW certification reporting requirements by adding to the list of reported values the clothes container capacity in cubic feet, the type of loading top-loading or front-loading, and the corrected RMC value expressed as a percentage, as discussed in the following sections. DOE also proposes 15 Prior to January 1, 2018, the water efficiency standard for CCWs was defined using the Water Factor metric.

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rounding instructions for each newly reported value.
a. Clothes Container Capacity DOEs definition of commercial clothes washer at 10 CFR 431.152, which is consistent with the EPCA
definition see 42 U.S.C. 631121, incorporates clothes container capacity, among other characteristics.
Specifically, equipment meeting the definition of CCW has a clothes container compartment that for horizontal-axis clothes washers is not more than 3.5 cubic feet, and for vertical-axis clothes washers is not more than 4.0 cubic feet among other criteria. 10 CFR 431.152. Clothes container capacity is also a key parameter in the calculation of MEFJ2
and IWF, in that capacity is used to represent the per-cycle energy and water use on per-cubic-foot of capacity basis.
To verify whether the information provided is consistent with the certifiers statement of compliance with standards, DOE is proposing to amend 10 CFR 429.46b2 to add clothes container capacity in cubic feet to the information required to be included in the certification report.
DOE also proposes accompanying sampling provisions for determining the reported values for capacity.
Specifically, DOE proposes to add new section 10 CFR 429.46a3, which would specify that the reported capacity of a basic model shall be the mean of the measured clothes container capacity, C, of all tested units of the basic model.
This new section would parallel the existing requirement for RCWs in 10
CFR 429.20a3.
b Axis of Loading DOE has established equipment classes for CCWs defined by axis of loading i.e., top-loading and frontloading. Separate energy conservation standards apply to each class. 10 CFR
431.156. As such, the axis of loading is integral in determining the energy conservation standard that applies to each basic model. DOE is proposing to amend 10 CFR 429.46b2 to add the type of loading top-loading or frontloading to the information required to be included in the certification report.

content RMC: 16 The procedure for determining RMC will be performed once in its entirety for each unit tested.
The measured RMC value of a tested unit will be considered the tested units final RMC value if the measured RMC
value is within two RMC percentage points of the certified RMC value of the basic model expressed as a percentage or is lower than the certified RMC value.
10 CFR 429.134c1i. If the measured RMC value of a tested unit is more than two RMC percentage points higher than the certified RMC value of the basic model, DOE will perform two additional replications of the RMC measurement procedure, for a total of three independent RMC measurements of the tested unit. The average of the three RMC measurements will be the tested units final RMC value and will be used as the basis for the calculation of percycle energy consumption for removal of moisture from the test load for that unit. 10 CFR 429.134c1ii.
The application of this productspecific enforcement provision for clothes washers requires a certified value of corrected RMC 17 for each basic model. Therefore, DOE is proposing to amend 10 CFR 429.46b2
to add the corrected RMC value expressed as a percentage to the information required to be included in the certification report.
DOE also proposes accompanying sampling provisions for determining the reported values for corrected RMC.
Specifically, DOE proposes to add new section 10 CFR 429.46a4, which would specify that the reported value of corrected RMC of a basic model shall be the mean of the final RMC value measured for all tested units of the basic model. This new section would parallel the existing requirements for RCWs in 10 CFR 429.20a4.
d. Rounding Instructions
c. Remaining Moisture Content
DOE proposes to specify at new section 10 CFR 429.46c that clothes container capacity must be rounded to the nearest 0.1 cubic feet cu ft, and that corrected RMC must be rounded to the nearest 0.1 percentage point. These rounding instructions would be consistent with the existing rounding instructions for RCWs specified at 10
CFR 429.20c.

DOE specifies product-specific enforcement provisions for clothes washers, which includes both RCWs and CCWs. 10 CFR 429.134c.
Specifically, 10 CFR 429.134c1
specifies provisions for the determination of remaining moisture
16 The RMC measurement is used to determine the per-cycle energy consumption for removal of moisture from the test load; i.e., the drying energy portion of the MEFJ2 calculation.
17 Corrected RMC refers to the final RMC value obtained in appendix J2 after applying specified correction factors based on the lot of test cloth used for testing to the uncorrected RMC value.

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