What we know about the chemical tank incident in Southern California — and what questions still linger
Officials in Southern California have managed to avert a potential explosion at a chemical storage tank, but questions remain about the incident's cause. The tank, containing 7,000 gallons of methyl methacrylate, had begun to heat up and bulge, prompting evacuations in the area. While the immediate threat has been reduced, concerns about possible chemical spills or smaller explosions persist.
- ▪The chemical tank was at an aerospace facility in Garden Grove, California.
- ▪Authorities have eliminated the risk of a massive explosion, but evacuation orders remain for at least 50,000 residents.
- ▪Experts believe the chemical inside the tank may be solidifying, reducing the threat level.
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U.S. newsWhat we know about the chemical tank incident in Southern California — and what questions still lingerOfficials said Monday that the worst-case scenario, a massive explosion, had been averted. But it’s unclear how the emergency started in the first place.Listen to this article with a free account00:0000:00Add NBC News to GoogleRisk of explosion has been ‘eliminated’ in California toxic chemical tank incident02:39Get more newsLiveonShareAdd NBC News to GoogleMay 25, 2026, 4:13 PM EDTBy Aria BendixWhat sent a chemical storage tank in Garden Grove, California, to the verge of either leaking or blowing up? And how did authorities avoid the worst-case scenario — a massive vapor explosion that threatened to destroy buildings and expose residents to toxic plumes? Subscribe to read this…
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