该幻灯片介绍了旧金山公用事业委员会（SFPUC）分配系统在从游离氯变为氯胺的一年后关于水质的信息。主题包括:SFPUC氯胺转化的原因；氯胺的利弊；消毒剂水平；消毒副产物；腐蚀副产物；微生物指标；还有，客户问题。

This slide presentation outlines information on water quality in San Francisco Public Utilities Commission's (SFPUC) distribution system one year after change from free chlorine to chloramine. Topics covered include: reasons for chloramine conversion at SFPUC; pros and cons of chloramine; disinfectant levels; disinfection byproducts; corrosion byproducts; microbial indicators; and, customer issues.