作为第一阶段消毒剂/消毒副产品（D/DBP）规则的一部分，美国环境保护署将氯仿的最高污染物水平目标设定为零。这一行动引发了来自多个角落的技术和政策方面的猛烈批评。该机构一方面被指责在政治变革中牺牲了科学，另一方面也因没有改变长期以来的政策而受到赞扬。本文讨论了氯仿监管的传奇如何反映了当科学进步与传统政策和国家政治发生冲突时引发的争议。包括16篇参考文献。

As part of the Stage 1 Disinfectants/Disinfection Byproducts (D/DBP) Rule,the US Environmental Protection Agency set a maximum contaminant level goal for chloroform at zero. This action touched off a firestorm of criticism, both technical and policy-related, from several corners. The agency was accused of sacrificing science at the political alter on the one hand and praised for not changing a long-standing policy on the other. This article discusses how the saga of chloroform regulation mirrors the controversies raised when advances in science collide with traditional policies and national politics. Includes 16 references.