Chevron Corp. (CVX) reported an operational disruption and gas emissions Wednesday night at its Richmond refinery in northern California.

In a statement to the California Emergency Management Agency, the refinery said an "upset" in the operational process resulted in the release of sulfur dioxide to the atmosphere. The emissions have since stopped, it added.

The 250,000-barrel-a-day refinery is located just north of Oakland.

Write to Dan Molinski at dan.molinski@wsj.com

 

(END) Dow Jones Newswires

July 18, 2019 08:34 ET (12:34 GMT)

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