Chevron Corp. (CVX) on Tuesday said there was flaring during the long weekend at its refinery in Richmond, Calif.
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In a statement to the California Emergency Management Agency, Chevron said a "process upset" on Sunday night caused the flaring in which 541 pounds of sulfur dioxide was released. "Operations remain stable," it said.
The 245,000-barrel-a-day refinery is located just north of Oakland.
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(END) Dow Jones Newswires
January 02, 2018 19:25 ET (00:25 GMT)