MAJOR CHEVRON INCIDENTS

JAN. 15, 2007: Fire began when a pump seal failed on the crude separating unit. Two Chevron workers received minor injuries.

AUG. 9, 2003: An unexpected compressor shutdown caused flaring activity, causing smoke. Twenty-six people sought medical attention at area hospitals.

JAN. 31, 2002: A sulfur dioxide release from the plant resulted in a shelter-in-place alert. About 20 people were treated at area hospitals for complaints attributed to the release, including dizziness, burning eyes and throats.

MARCH 25, 1999: A valve stem blew out, causing a major fire that released hydrocarbons and hydrogen sulfide. More than 2,500 people swarmed area emergency rooms through the weekend, complaining of breathing problems and other ailments.

OCT. 30, 1991: Chevron catalytic cracking unit leaks and catches fire, sending clouds of smelly, thick smoke over Richmond.

DEC. 5, 1991: Chevron refinery valve malfunction spreads a chemical catalyst over Point Richmond.

APRIL 10, 1989: Chevron refinery explosion and fire. Sends clouds of black smoke over the area for six days. Injures nine workers.

-- Camille Donaldson, Bay Area News Group news researcher



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