(03-26) 04:00 PDT RICHMOND --
Here is a look at some incidents at Chevron's Richmond
refinery during the past decade.
* APRIL 13, 1997: A leak in a hydroprocessing plant
released hydrocarbons and sour gas into the atmosphere.
About 500 residents were told to remain indoors until the
* MARCH 27, 1996: A power failure caused a flare-up, which
is a safety procedure to burn compounds and reduce output
of toxic materials into the air. There was no apparent
danger to Richmond residents.
* APRIL 13, 1994: A San Francisco man was seriously
injured in a fire that began when a pump ignited in the
Chevron solvent de-asphalting unit. The nonchemical and
nontoxic fire was extinguished.
* JUNE 23, 1992: A yellow cloud of smoke formed when
hydrocarbons escaped from a processing unit during a
system shutdown. Chevron officials said the cloud
created no public-health threats.
* FEB. 22, 1992: A flange leak was blamed for a fire that
broke out in a gas-processing unit. The fire was quickly
put out by the refinery's fire brigade and the Richmond
Fire Department. Chevron officials reported no injuries.
* DEC. 19, 1991: An abnormal flare activity caused the
release of the foul-smelling sulfur dioxide over Point
Richmond, a residential area.
* DEC. 5, 1991: An explosion released 40 tons of catalyst
dust containing nickel, vanadium, antimony and other
toxins over a 16-square-mile area of Richmond.
* OCT. 30, 1991: Two injuries were suffered during a smoky
fire that Chevron officials said may have been sparked by
a pump failure in an oil-processing unit.
* NOV. 11, 1990: A mechanical fitting broke, and hydrogen
sulfide was released into the air. No injuries were
* JUNE 1, 1989: Two workers were injured after they were
burned in a flash fire that erupted in the plant's
* APRIL 10, 1989: An explosion and fire injured eight
workers, burning three seriously. Smoke was released
into the air for six days. There was approximately $1
million in damages.<