虽然是必要的，但是垃圾填埋场占用宝贵的空间，常常发出臭味，并且有害物质会渗透到土壤中。

Though necessary, landfills take up valuable space, often stink, and can leak harmful substances into the soil.

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文中指出纺织品上有害物质的来源包括大气、水质、药剂的使用、土壤的污染和纺织品生产加工过程中的化学处理等。

This paper presents that the sources of poisonous substance on textiles include atmosphere, water quality, the applied chemicals, the polluted soil, chemical processing and so on.

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该研究所的目标是更好地了解来自暴露在空气、水和土壤中的有害物质对人类健康和环境的危险。

The goal of the institute is to deliver a better understanding of the risk to human health and the environment from exposure to hazardous substances in air, water and soil.

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