; (6) use, to the extent that an agency action is based on science— (A) the best available peer-reviewed science and supporting studies conducted in accordance with sound and objective scientific practices; and (B) data collected by accepted methods or best available methods (if the reliability of the method and the nature of the decision justifies use of the data); and (7) not later than December 31, 2022, consider for review and revision any WaterSense specification adopted before January 1, 2012. (c) Transparency The Administrator shall, to the maximum extent practicable and not less than annually, regularly estimate and make available to the public the estimate aggregate production, aggregate market penetration, and savings of water, energy, and capital costs of water, wastewater, and stormwater attributable to the use of WaterSense-labeled products, buildings and building landscapes, facilities, processes, and services. (d) Distinction of authorities In setting or maintaining specifications for Energy Star pursuant to section 324A, and WaterSense under this section, the Secretary and Administrator shall coordinate to prevent duplicative or conflicting requirements among the respective programs. (e) No warranty A WaterSense label shall not create an express or implied warranty. . (b) Conforming amendment The table of contents for the Energy Policy and Conservation Act (42 U.S.C. prec. 6201) is amended by inserting after the item relating to section 324A the following: Sec. 324B. WaterSense. .