Refinery fire in California
A fire at one of the country's largest refineries spewed thick black smoke over cities in the San Francisco Bay area, sending scores of residents to hospitals.
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Chevron Richmond Refinery
Fire crews pour water on a fire at the Chevron Richmond Refinery in Richmond, Calif., Monday, Aug. 6, 2012.
The Chevron Richmond Refinery makes high-quality products that include gasoline, jet fuel, diesel fuel and lubricants, as well as chemicals used to manufacture many other useful products. The blaze started Monday evening when a diesel leak ignited at the refinery's No. 4 Crude Unit, Nigel Hearne, manager of the refinery, told The San Francisco Chronicle.
Credit: AP Photo/San Francisco Chronicle, Lance Iversen
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