To stop the "black case work", the unit joining into the construction signed the Lifelong Quality and Safety Contract with the water-providing engineering headquarters.

为了杜绝暗箱操作，参建单位目前与供水工程总指挥部签定了质量、安全终身责任书。

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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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Today when af is more and more easily polluted by pesticides, chemical fertilizers, water sources, air, and other environment factors, safety and quality af become very important for consumers.

在农产品越来越容易受到农药、化肥、水源、空气和其他各种因素污染的今天，“优质安全”农产品对消费者的意义不仅重要，而且深远。

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But Biosensors could also be used for testing water quality and food safety (the toxins produced by food-spoiling bacteria would show up easily).

ECONOMIST: Medical diagnostics

They include water supply and sewerage, including abstraction and impounding of water, resources management, water quality, the water industry, water charges, safety of reservoirs and so on.

BBC: Highly politicised liquid assets