In 2004, the WHO Guidelines for Drinking water Quality recommended that water suppliers develop and implement "water Safety Plans" (WSPs) in order to systematically assess and manage risks.
2004年，世界卫生组织出版的饮用水水质指南推荐供水企业开发实施“水安全计划(WSPs)”，以便于系统性地评估与管理风险。
In 2004, the WHO Guidelines for Drinking water Quality recommended that water suppliers develop and implement "water Safety Plans" (WSPs) in order to systematically assess and manage risks.
2004年，世界卫生组织出版的饮用水水质指南推荐供水企业开发实施“水安全计划(WSPs)”，以便于系统性地评估与管理风险。
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