The amount of a solution of bisphenol A that is consumed as a drink, that is, a liquid that is brought into the mouth and swallowed to quench thirst, for nourishment, etc., per unit time. Bisphenol A (BPA) is a synthetic phenolic compound with the chemical formula (CH3)2C(C6H4OH)2, i.e. one in which a central carbon links to two methyl groups and two hydroxyphenyl groups. BPA is similar in structure to estradiol and can bind to and activate the estrogen receptor.