Trish Kerin breaks down the runaway reaction that triggered a mass evacuation in Orange County, California, and explains what facilities handling reactive chemicals can learn about instrumentation, warning signs and emergency communication.Editor's Note: We mention an upcoming webinar that Trish will be hosting: a webinar focused on leadership in uncertain times — looking at key strategies and tools we can use to navigate some of the challenges we're all facing globally right now. Use the code CPREADER for $5 off.