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Article: Mineral Oil Spilled at Portland, Ore.-Area Dam Contains PCBs.

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Knight Ridder/Tribune Business News
Article date:
January 19, 2004
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By Alex Pulaski, The Oregonian, Portland, Ore. Knight Ridder/Tribune Business News

Jan. 19--Crews continued their cleanup Sunday of PCB-tainted mineral oil leaking into the Columbia River from a transformer at The Dalles Dam.

The leak, first reported Thursday, involves an undetermined amount of oil from a transformer on the powerhouse's roof. The transformer's capacity is 6,000 gallons, but authorities said it had been partially drained for winter maintenance.

The oil leak is the latest in a series of dam-related spills that have frustrated wildlife organizations and state and federal regulators.

The U.S. Army Corps of Engineers, ...

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