; and (ii) the procedure by which an item may be certified to display the WaterSense label; (B) promote WaterSense-labeled products, buildings, landscapes, facilities, processes, and services in the marketplace as the preferred technologies and services for— (i) reducing water use; and (ii) ensuring product and service performance; (C) work to enhance public awareness of the WaterSense label through public outreach, education, and other means; (D) preserve the integrity of the WaterSense label by— (i) establishing and maintaining performance criteria so that products, buildings, landscapes, facilities, processes, and services labeled with the WaterSense label perform as well or better than less water-efficient counterparts; (ii) considering factors, when developing the performance criteria, to ensure that the criteria do not directly or indirectly contribute to the degradation of waste streams treated by community sewer systems; (iii) overseeing WaterSense certifications made by third parties; (iv) conducting reviews of the use of the WaterSense label in the marketplace and taking corrective action in any case in which misuse of the label is identified; and (v) carrying out such other measures as the Administrator determines to be appropriate; (E) regularly review and, if appropriate, update WaterSense criteria for categories of products, buildings, landscapes, facilities, processes, and services, at least once every 4 years; (F) to the maximum extent practicable, regularly estimate and make available to the public the production and relative market shares of, and the savings of, water, energy, and capital costs of water, wastewater, and stormwater infrastructure attributable to the use of WaterSense-labeled products, buildings, landscapes, facilities, processes, and services, at least annually