本文件旨在对饮用水中未受管制的污染物二苯甲酮进行毒理学评估，作为NSF/ANSI/CAN 61（2019）评估的一个或多个饮用水系统组件的萃取剂，或作为NSF/ANSI/CAN 60（2019）评估的饮用水处理化学品中的污染物。

This document has been prepared to allow toxicological evaluation of the unregulated contaminant benzophenone in drinking water, as an extractant from one or more drinking water system components evaluated under NSF/ANSI/CAN 61 (2019), or as a contaminant in a drinking water treatment chemical evaluated under NSF/ANSI/CAN 60 (2019).