"Troubleshooting that alarm fell to a rookie operator named Crystle Wise, a 53-year-old, dog-loving, Harley-Davidson-riding grandmother with electric blue eyes. By chance, Wise had chosen to take her break in a spot dubbed the “smoke shack”—between the control room and the pesticide tower. Wise, one of the latest hires in the plant’s recent wave of turnover, was still finishing her nine-month training period with DuPont. She donned her safety helmet and goggles and grabbed an oversized wrench. Then she crossed a covered passageway to the Lannate tower and opened a heavy metal door that led to a stairwell. She headed for a complex set of valves on the third floor, to clear the clog and relieve the stress on the pipes—and on the rest of the crew. What Wise didn’t know was that she was walking into a disaster."I tend to agree with the "Swiss cheese" model of accident analysis - in this case, you can really watch the holes line up. More on this later.
Also, does anyone have a good article on the Tianjin incident? I know there's a lot of sodium cyanide in the destroyed warehouse, but that doesn't explain the initial explosion.