本文综述了消毒副产物规则的范围、内容和现状。该规定的要求将覆盖范围从几千个到50000多个使用消毒的公共水系统，包括从其他系统购买水的系统。规则仍在制定中；本文概述了预期的一般要求和主要问题。包括3个参考文献、表格和图表。

This article reviews the scope, contents, and status of the disinfection-disinfection byproducts rule. The requirements of the rule will extend coverage from a few thousand to more than 50,000 public water systems that use disinfection, including systems that purchase water from other systems. The rule is still in the making; this article gives an overview of anticipated general requirements and major issues. Includes 3 references, tables, figure.