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。
Gas Drilling Companies Hold Data Needed by Researchers to Assess Risk to Water quality.
天然气钻井公司手里掌握着水样数据资料，研究人员可以用这些数据进行环境风险研究。
It is certain significance to assess the impact of water environment on railway tunnel, provide control measures of construction from the point of the variation of water quality.
分析和评价铁路隧道对水环境的影响，从而从水环境质量变化角度提出工程控制措施，对实际工程具有一定的指导意义。
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