Port facilities construction and renovation contribute to surface and ground water contamination and air pollution from asbestos, lead-based paint, dust, sediments, PCBs and petroleum hydrocarbons.
港口设施的建设和改造，而造成地下水污染和对空气的污染是来自石棉、含铅的油漆、灰尘、沉淀物、多氯联苯、石油碳氢化合物等。
There are many factors pollute the surface water in Zhejiang province, daily sewage of town, industrial sewage and contamination of rural areas lead to serious water pollution.
浙江省地表水受污染的影响因素多，城镇生活污水和工业废水排放及农村面源污染均造成了较严重的水环境污染。
Deposing of fly ash is in a great degree connected with development of high salinity mine drainage water, at the same time it decreases the contamination load carried away to the surface waters.
大规模的粉煤灰的充填会产生高碱性的矿山废水，与此同时，它也减少流向地表水系的废水中的污染负荷。
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