Purification treatment should be effected by projects whose discharges prescribed standards, and which have already gone into operation, or been put to use;

已建成投入生产或者使用的超过排放标准的项目，应当进行净化处理；

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The facilities for prevention and control of water pollution must be designed, constructed and put to use or into operation simultaneously with the main part of a construction project.

建设项目中防治水污染的设施，必须与主体工程同时设计，同时施工，同时投产使用。

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