CSB announced it is investigating the recent fire at the Chevron oil refinery in Richmond, CA, which took place on Monday, Aug. 6, 2012. In what the agency is calling "the most serious U.S. refinery incidents in recent years," no lives were lost, however, many workers were engulfed in a vapor cloud created from a combustible hydrocarbon liquid or "gas-oil" leaked. "These workers might have been
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