This study is part of efforts by the U.S. Geological Survey's National Water-Quality Assessment Program to monitor the quality of the nation's groundwater and surface water.

这项科学研究是美国地质调查局国家水质评估项目的一部分，旨在对美国地下和地表水质进行检测。

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Also channels to separate rain and polluted water, guide pipes and five monitor stations are set around the site to monitor the quality of ground water regularly.

填埋区周边还建有雨污分流截洪沟和导排管线和五个监测井，定期对地下水质进行监测。

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The paper deals with how to control water quality by water quality monitor to get a good result and puts forward the concrete operation methods.

阐述了水质监测全过程的质量控制技术，为获得合乎质量要求的监测结果，提出了具体的操作方法。

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Such robots could skim across lakes and other bodies of water to monitor water quality or act as tiny spies.

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Experts had testified that the federal utility failed to monitor and control water quality pressure in the dikes that constrained the material.

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Even as we continue to monitor air and water quality, we have asked and are asking BP to be transparent about the measurements that it is taking as it relates to air and water quality.

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