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Hazardous materials cleanup starts Monday at GKN Aerospace in Garden Grove
By City News Service at NBC Los Angeles (KNBC)
· June 28, 2026
· 2 min read
A hazardous materials cleanup and disposal operation is set to begin Monday at the GKN Aerospace facility, where a chemical mishap forced thousands of people from their homes in Garden Grove and surrounding areas while crews worked to alleviate the threat of a toxic leak or explosion.
Crews wo...
Key takeaway Crews working Monday through Thursday will remove neutralized methyl methacrylate, also known as MMA, from two storage tanks at GKN Aerospace, 12122 Western Ave.
Why this matters in The Los Angeles
The hazardous materials cleanup at GKN Aerospace in Garden Grove brings relief to the surrounding communities, where thousands of residents were forced to evacuate due to the threat of a toxic leak or explosion. As crews work to remove the neutralized methyl methacrylate from the storage tanks, residents may notice a fruity odor, but authorities assure that the smell will be well below levels associated with health concerns. The unified command's efforts to coordinate the cleanup, including continuous air monitoring and specialized containers, demonstrate a commitment to prioritizing public safety. The fact that operations will only occur during daylight hours and be adjusted based on wind conditions further mitigates potential risks. With the cleanup effort underway, residents can track the progress and air quality at occupainfo.com, providing transparency and accountability throughout the process. As the community moves forward from this incident, it will be crucial to assess the long-term impact on the area and ensure that measures are in place to prevent similar emergencies in the future.
About this story
Original reporting by NBC Los Angeles (KNBC) . The Los Angeles surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit NBC Los Angeles (KNBC) . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: June 28, 2026 ·
Source: NBC Los Angeles (KNBC) ·
Reading time: 2 min
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Frequently asked about this story
What is this story about? A hazardous materials cleanup and disposal operation is set to begin Monday at the GKN Aerospace facility, where a chemical mishap forced thousands of people from their homes in Garden Grove and surrounding areas while crews worked to alleviate the threat of a toxic leak or explosion.
Crews wo...
When was this published? This article was first published on June 28, 2026 by NBC Los Angeles (KNBC) and curated for The Los Angeles readers.
Who reported this story? This story was reported by City News Service at NBC Los Angeles (KNBC). To learn more about how The Los Angeles selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The Los Angeles, or browse our daily briefing and topic hubs .
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