CSB’s Most Wanted Safety Improvements: Preventive Maintenance Programs
In April 2010, a 40-year-old heat exchanger at the Tesoro Refinery in Anacortes, Washington, failed catastrophically. The incident resulted in an explosion and fire that killed seven workers. The U.S. Chemical Safety Board’s (CSB) investigation of the incident, completed in 2014, found that the failure was caused by damage to the heat exchanger, a mechanism […]