图为污水池里的油砂残渣，其中混有沙子、污水以及萃取未精炼的石油产品后所残留的有毒化学物质。

A containment pond holds tar sands tailings, consisting of a mixture of sand, water, and toxic chemicals that remain after the unrefined oil products have been extracted.

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2001的一次联邦调查发现，湾区内一半以上的沙滩表层或以下仍然有石油残留。

A 2001 federal survey found that oil remained on or under more than half the sound's beaches.

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海岸警卫队希望两家公司能制定出一个计划，以便永久性控制残留在钻井平台废墟中的石油。

The Coast Guard also wants the companies to come up with a plan for permanent remediation of the oil that remains in the wreckage.

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