本幻灯片概述了配送系统中生物膜的检测、去除和控制信息。报告提出了解决生物膜问题的三个要素:初步现场评估；冲洗，单向冲洗或CO₂强化冲洗；以及正在进行的生物膜控制。给出了美国几个地区的现场结果和信息。

This slide presentation outlines information on the detection, removal and control of biofilm in the distribution system. The presentation suggests three elements to approaching a biofilm problem: preliminary site assessment; flushing, either unidirectional flushing or CO₂ enchanced flushing; and, ongoing biofilm control. Field results and information on several areas of the U.S. are given.