The oily sludge is one of the main pollution of petroleum and chemical industry.

含油污泥是石油石化工业的主要污染源之一。

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The noise pollution of petroleum & petrochemical enterprise is rather extensive and durable.

石油石化企业噪声污染具有广泛性和持久性。

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Finally, the refining and burning of petroleum and its products can cause air pollution.

最后，石油及其产品的提炼和燃烧过程会造成空气污染。

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Occidental Petroleum, for example, is involved in a major human rights and environmental contamination lawsuit regarding the pollution of indigenous land and the Amazon River.

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The Movement for the Emancipation of the Niger Delta (MEND) is an insurgent group that demands compensation from petroleum companies for the pollution and deaths they have caused.

CENTERFORSECURITYPOLICY: Nigeria in flux