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On the same day Sen. Dianne Feinstein chastised Chevron Corp. for keeping an 800,000-gallon spill outside Bakersfield “under wraps,” California officials confirmed Thursday that the site was once again seeping a hazardous mix of oil and water.

The new leakage occurred in a surface expression vent in the Cymric oil field, near the Kern County town of McKittrick, according to the state Division of Oil, Gas and Geothermal Resources. The vent is one of the locations where three previous leaks released about 800,000 gallons of oil and water.

Field inspectors from the agency identified the latest seepage at 3 p.m. Wednesday and released information about the latest spill Thursday. The agency is working to address what they are describing as a large oil release. The leak potentially resulted from a high-intensity steam injection intended to release oil.

According to the agency, the first leak occurred on May 10 and was stopped that day. New seepage occurred on June 8 and continued to flow intermittently for a span of five days. The persistent seepage was again recorded June 23 and Wednesday, the agency said.

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