August 6 marked the one-year anniversary of the 2012 explosion and fire at a Chevron refinery in Richmond, Calif., that sent an estimated 15,000 people to the hospital with respiratory problems.
August 6 marked the one-year anniversary of the 2012 explosion and fire at a Chevron refinery in Richmond, Calif., that sent an estimated 15,000 people to the hospital with respiratory problems.
