本幻灯片概述了多水源供水系统中的腐蚀影响信息。课程包括:腐蚀控制方法；腐蚀控制监测；方法水质变化；系统变量；水质比较；腐蚀指数；缓冲容量；腐蚀速率计算；优惠券测试；管道回路分析；铜腐蚀速率的变化；铜和铅腐蚀速率的比较；韧性腐蚀速率的变化；钢腐蚀速率的变化； 金属腐蚀速率测试总结；表面粗糙度的定性比较 铜片的特性；铜释放的比较 和试片腐蚀速率；铜释放量与朗格勒指数的比较；铜释放和拉森比率的比较；管道回路结果——地下水，无抑制剂；硫化氢对氯需求的影响；来自多个井源的Langelier指数变化；来自多个井源的硫酸盐和氯化物分布系统变化；配电系统中朗格利尔指数的变化； 由于住宅管道（热水）导致铜和铁的增加；以及，表面的定性比较 特征-黑水 粒子。

This slide presentation outlines information on corrosion impacts in distribution systems served by multiple source waters. Topics covered include: corrosion control approaches; corrosion control monitoring; approach; water quality variations; system variables; water quality comparison; corrosion indices; buffer capacity; corrosion rate calculation; coupon testing; pipe loop analysis; variations in copper corrosion rates; comparison of copper and lead corrosion rates; variations in ductile corrosion rates; variations in steel corrosion rates; summary of metal corrosion rate testing; qualitative comparison of surface characteristics of copper coupons; comparison of copper release and coupon corrosion rate; comparison of copper release and Langelier Index; comparison of copper release and Larsen's ratio; pipe loop results - groundwater, no inhibitor; hydrogen sulfide impacts on chlorine demand; variations in Langelier Index from multiple well sources; distribution system variations in sulfate and chloride from multiple well sources; variations of Langelier Index in distribution system; increase in copper and iron due to residential plumbing (hot water); and, qualitative comparison of surface characteristics - black water particles.