Spills · chemical

12242 western ave, garden grove, ca 92841, USA

Release of Methyl Methacrylate; Garden Grove, California · NOAAORR-11164

issued
2026-05-22 00:00Z
status
cancelled 2026-06-05 00:00Z
self-cancels
2026-06-05 00:00Z
authority
NOAA OR&R
sea
North Pacific Ocean
position
33.786, -118.000
source
incidentnews · first seen 2026-09-03 15:09Z

Original warning text

Release of Methyl Methacrylate; Garden Grove, California.
12242 Western Ave, Garden Grove, CA 92841, USA.
1. On May 22, 2026, the U.S. Coast Guard (USCG) District Response Advisory Team (DRAT) for the Southwest District contacted the NOAA Scientific Support Coordinator (SSC) regarding a damaged container of methyl methacrylate (MMA) monomer at the GKN Aerospace plant in Garden Grove, California, approximately 15 miles east-southeast of USCG Base Los Angeles-Long Beach. The damaged tank was reported to contain approximately 6,500 gallons of MMA. Local responders were concerned that, in addition to the potential for toxic exposure, the tank could explode. An evacuation order for nearby areas was issued. On May 24, the EPA contacted the NOAA SSC to request air hazard modeling in the event that the contents of the tank leaked into the secondary containment, and also requested information about what would happen if the mixture of cooling water and MMA were to breach the secondary containment and [...]
2. THREAT: CHEMICAL.
3. POSITION 33.786N 118.000W. NOAA INCIDENTNEWS 11164: https://incidentnews.noaa.gov/incident/11164

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