UPDATE: *CHEVRON RICHMOND REFINERY HYDROCRACKER EXPLODED: KPIX-TV, REFINERY SHUTDOWN, CAN PROCESS 244,000 BBL/DAY
Chevron's Richmond refinery, the largest refinery in California, is under a Level 3 Hazardous Material extreme immediate warning with local authorities advising local citizens to "to shelter in place, go inside, close all windows and doors, turn off all heaters, air conditioners and fans. If not using the fireplace, close fireplace dampers and vents, and cover cracks around doors and windows with tape or damped towels."

