本幻灯片介绍了华盛顿州的交叉连接控制（CCC）计划及其历史；将重点从过去的书面计划转移到现在的重点 实施和 保护高危险场所；2002年数据收集的背景和结果；交叉连接 控制程序，包括 特点 128名公众 水系统 在华盛顿州；实施 活动 134个公共供水系统 在华盛顿州；以及结论 和 未来CCC 节目指导。

This slide presentation gives information on Washington State's Cross Connection Control (CCC) program and its history; the shift in its emphasis from written plans in the past to its current focus on implementation and protection of high-hazard premises; background and results of the 2002 Data Collection; Cross-Connection Control Program, including characteristics of 128 public water systems in Washington State; implementation activities for 134 public water systems in Washington State; and, conclusions and future CCC Program direction.