Video shows vapor cloud before refinery fire

Oil   Oil

RICHMOND, Calif. (AP) — An internal Chevron Corp. surveillance video shows a towering vapor cloud engulfing an area of its refinery for two minutes before it ignited into a volatile blaze, federal investigators said Tuesday.

U.S. Chemical Safety Board officials said the video shows plant workers getting caught within the cloud shortly before the Aug. 6 blaze. More than a dozen workers managed to narrowly escape serious injury.

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