Now, air sparging is widely used around the world, and it is really a very promising remediation technology.

目前，空气注射法在世界各地得到广泛应用，是一项很有发展前景的环境污染修复技术。

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The difficulty of the remediation technology was that the topsoil of the site is sticky, small particle size and severely polluted.

铬渣污染场地的表层土壤由于粘性大、粒径小且污染严重成为治理的难点。

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The goal of the site remediation technology plan is to ensure human health and to reduce the environmental risk of the pollutants in the site soil to an acceptable level.

场地修复技术方案的目标是保障人的健康，使得场地土壤中污染物的环境风险降低到可以接受的水平。

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The brain trusts at the Massachusetts Institute of Technology, Harvard and more than a dozen other universities have become pioneers of renewable energy and environmental remediation.

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