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A 7,000-gallon tank of methyl methacrylate in Garden Grove pushed officials to their limits — broken valves killed the best fix, leaving only explosion or toxic spill as options. This kind of thermal runaway is nearly impossible to control once it starts, and the worst-case scenario rivals a railroad tank car fireball. Cooling with water bought time, but this crisis exposes just how unprepared industrial sites are for chemical failures.
This incident goes far beyond just an unprepared industry: California has layers of regulation for everyday consumer products but apparently not enough oversight to prevent an aerospace facility from nearly triggering a catastrophic chemical explosion. No injuries yet, but the risk of a massive toxic spill or fireball is very real, while 40,000 residents are paying the price with forced evacuations across six cities.