Chevron Corp. (CVX) reported an operational disruption and flaring at its refinery in Richmond, Calif.
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The California Emergency Management Agency said the refinery notified it of "a release of an unknown amount of sulfur dioxide due to a unit upset, which resulted in flaring." It said the emissions flaring happened Monday afternoon and has since stopped.
The 245,000-barrel-a-day refinery is located just north of Oakland.
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(END) Dow Jones Newswires
October 31, 2017 10:54 ET (14:54 GMT)