Urinals.

(a) Sampling plan for selection of units for testing. (1) The requirements of § 429.11 are applicable to urinals; and (2) For each basic model of urinal, a sample of sufficient size shall be randomly selected and tested to ensure that any represented value of water consumption of a basic model for which consumers favor lower values shall be greater than or equal to the higher of: (i) The mean of the sample, where: Or, (ii) The upper 90 percent confidence limit (UCL) of the true mean divided by 1.1, where: (b) Certification reports. (1) The requirements of § 429.12 are applicable to urinals; and (2) Pursuant to § 429.12(b)(13), a certification report shall include the following public product-specific information: The maximum water use in gallons per flush (gpf), rounded to the nearest 0.01 gallon, and for trough-type urinals, the maximum flow rate in gallons per minute (gpm), rounded to the nearest 0.01 gallon, and the length of the trough in inches (in). [76 FR 12451, Mar. 7, 2011; 76 FR 24771, May 2, 2011, as amended at 78 FR 62986, Oct. 23, 2013]