Valero Texas City Refinery Emits Chemicals in Air, Texas Agency Says

(Bloomberg) -- Valero Energy Corp., the largest U.S.
refiner, burned chemicals in the air on June 1, including sulfur
dioxide, nitrogen oxide and nitric oxide, at its refinery in
Texas City, Texas, according to a report on a state-administered
environmental Web site.

The cause of the emissions was a compressor, the report
said. The chemicals were burned through flare towers, safety
equipment. In Texas, sulfur dioxide can only be released in an
emergency.


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Valero Energy Says Wet Gas Compressor Causes Flaring at a Texas Refinery

(Bloomberg) -- Valero Energy Corp., the largest U.S.
refiner, said a wet gas compressor caused flaring yesterday at
its refinery in Port Arthur, Texas.

The San Antonio-based company reported the incident in a
filing with the Texas Commission on Environmental Quality. The
company said it didn't know what caused the event.


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