Smoke poured from the fire at a Chevron refinery in Richmond, Calif. Here, the plume rises behind Alcatraz Island in San Francisco. Eric Risberg/AP hide caption itoggle caption Eric Risberg/AP The Two-Way Dozens Sickened By Fumes From Refinery Fire Near San Francisco August 7, 2012 The fire, which started Monday evening, has now been contained. It spewed a huge plume of thick black smoke. Residents were advised to stay indoors. At least three dozen sought help at hospitals.