A fire at the Valero Benicia Refinery Monday morning triggered a shelter-in-place order for roughly 90 minutes.
At about 9 a.m., black smoke could be seen billowing out of the facility located at 3400 East Second St.
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Firefighters rushed to the scene and instructed residents in the area to shelter in place and keep their windows and doors closed.
The shelter order was lifted just before 10:40 a.m. after firefighters said the blaze was under control.
"While there is particulate matter present, all other air monitoring is below health hazard levels," the Benicia Fire Department said in a post on social media.
No injuries were reported in the fire. Information about the cause of the fire was not available.
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Last month, Valero Energy Corporation announced that it had submitted notice to California Energy Commission that it intended to "to idle, restructure, or cease refining operations" at the Benicia refinery by April 2026.
Valero has owned and operated the Benicia refinery since 2000. The refinery was originally built for Humble Oil, later called Exxon.
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Construction of the facility began in 1968 and was completed in 1969, according to city officials.