Contra Costa County health officials on Thursday provided an update on a November incident at the Martinez refinery involving coke dust.
An independent investigation of the Thanksgiving Day incident revealed that officials at the refinery did not realize coke dust was being released until a day later when residents called to complain.
Bob Redell has the full story in the video above.
Get a weekly recap of the latest San Francisco Bay Area housing news. Sign up for NBC Bay Area’s Housing Deconstructed newsletter.