According to a story in the San Francisco-area media outlet, Bay City News, four people were injured in an explosion during a septic tank demolition job in Camp Meeker, Calif., last week. Two workers for a local construction company were demolishing an abandoned tank Dec. 8, when one of them entered the tank with a jackhammer to break up the concrete floor. When the worker started the jackhammer, it triggered an explosion that caused first-, second- and third-degree burns on both workers and two others observing the work.According to a preliminary report from the California Department of Occupational Safety and
