Most school districts do not test their water because of the costs associated with lead remediation, said Marc Edwards, a civil engineer at Virginia Tech.

在弗吉尼亚理工大学的土木工程师马克·爱德华兹说，大多数学区因为铅治理的费用而不检测他们的饮用水。

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The effect of the remediation of water body by the technology of aerating sediments was studied with sediments from city river as material.

以城市河流底泥为对象，研究了底泥曝气对水体修复的效果。

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The discharge water should be treated during field operation of excavation and remediation of soil as well as new construction to reduce environment pollution.

提出，在作土壤开挖、修复和新建工程项目过程中，工程施工排水应处理后方可排放，以减少对周围环境水体的影响；

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However, a spokesman for the Denver-based American Water Works Association said 85% of its 4, 200 members -- which are responsible for 67% of the drinking water available in the U.S. -- had completed their Y2K remediation efforts by July.

CNN: Water, sewage utilities not Y2K-ready

Kurita Water Industries, one of Japan's leading environmental-engineering firms, started building its soil remediation skills over a decade ago.

ECONOMIST: Toxic waste in Japan