(31) (A) The term “water use” means the quantity of water flowing through a showerhead, faucet, water closet, or urinal at point of use, determined in accordance with test procedures under section 6293 of this title . (B) The term “ASME” means the American Society of Mechanical Engineers. (C) The term “ANSI” means the American National Standards Institute. (D) The term “showerhead” means any showerhead (including a handheld showerhead), except a safety shower showerhead. (E) The term “faucet” means a lavatory faucet, kitchen faucet, metering faucet, or replacement aerator for a lavatory or kitchen faucet. (F) The term “water closet” has the meaning given such term in ASME A112.19.2M–1990, except such term does not include fixtures designed for installation in prisons. (G) The term “urinal” has the meaning given such term in ASME A112.19.2M–1990, except such term does not include fixtures designed for installation in prisons. (H) The terms “blowout”, “flushometer tank”, “low consumption”, and “flushometer valve” have the meaning given such terms in ASME A112.19.2M–1990.