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LA PALMA, Calif. — Southern California officials said Monday the risk of a devastating vapor explosion has been avoided in an incident involving a storage tank containing methyl methacrylate, a toxic ...

An issue with a valve caused the contents of a chemical storage tank in Garden Grove, California, to overheat, prompting fears of a possible disaster that threatened to expose residents to toxic ...

The threat of a devastating explosion due to pressure and excessive heat inside a volatile toxic chemical tank at a Garden Grove, California, aerospace facility has been eliminated, marking a turning ...

Officials warned that the storage tank could potentially spill or even explode. With that possibility, Orange County Fire Authority Division Chief Nick Freeman on Saturday released a map that detailed ...

GARDEN GROVE, Calif. -- The toxic chemical leaking from a large storage tank in Garden Grove, California is methyl methacrylate, or MMA - a highly hazardous substance that can pose significant health ...

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A damaged chemical storage tank that authorities fear is at risk of exploding or rupturing in Southern California is gradually getting warmer despite efforts to reduce its internal temperature, a fire ...

Emergency crews launched a high-stakes "offensive" overnight mission at a Southern California aerospace facility to neutralize an adjacent chemical tank, as the internal temperature of a failing ...

Authorities in Southern California on Friday were racing to figure out how to prevent the explosion of a storage tank that has been leaking a hazardous chemical used to make plastic parts, as some ...

The temperature inside a malfunctioning chemical storage tank in Garden Grove has risen to dangerous levels as crews continued to try to head off a disastrous explosion and roughly 40,000 people ...

Roughly 40,000 people were still under evacuation orders early Saturday morning, as authorities continued to try to head off the disastrous threat of a malfunctioning chemical storage tank that ...