The oil was used to lubricate machinery and is not radioactive, Indian Point said, noting the plant is running safely and there is no impact on worker or public health or safety,
Entergy, which owns and operates Indian Point, said that Indian Point's staff identified an oil sheen in the plant's discharge canal Friday morning and has not detected any sheening in the Hudson River.
"A permanent protective boom in the discharge canal is designed to try to prevent oil from reaching the river," Entergy said in a statement issued Friday evening. "Contract environmental protection professionals have taken additional measures to mitigate against further migration.
"Engineers and plant operators are examining systems and components at the plant to identify the potential source."
New York Gov. Andrew Cuomo said in a tweet posted around 7:30 p.m., "I am touring the site of the oil leak at Indian Point."
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