Tag

Methyl Methacrylate

All articles tagged with #methyl methacrylate

GKN near-miss highlights California chemical-regulation gaps
environment2 months ago

GKN near-miss highlights California chemical-regulation gaps

A storage tank of methyl methacrylate at GKN Aerospace in Garden Grove overheated and nearly exploded, forcing evacuations for more than 50,000 residents over six days; regulators had flagged compliance problems years earlier, and the company later faced a settlement and is now treated as a major source of emissions. Crucially, methyl methacrylate is not regulated under California’s CalARP or the federal Risk Management Program, leaving gaps in oversight and emergency planning. Multiple agencies will issue separate reviews, the Orange County DA opened a criminal inquiry, and community advocates are calling for closer scrutiny and potential new laws to prevent a repeat, signaling broader questions about how California regulates hazardous industrial facilities near dense urban areas.

Orange County ends six-day chemical crisis as evacuations are lifted
california3 months ago

Orange County ends six-day chemical crisis as evacuations are lifted

All remaining evacuation orders in six Orange County cities were lifted after officials determined there was no longer a danger of explosion or chemical release from a methyl methacrylate tank at GKN Aerospace, marking a six-day crisis that forced about 50,000 residents to evacuate. The risk was reduced after a crack lowered tank pressure and crews cooled the contents with more than 9 million gallons of water; a 300-foot exclusion zone remains and a Western Avenue road closure continues as officials monitor conditions and continue to face ongoing lawsuits tied to the incident.

GKN Aerospace apologizes as Garden Grove chemical tank prompts mass evacuations
california3 months ago

GKN Aerospace apologizes as Garden Grove chemical tank prompts mass evacuations

UK-based GKN Aerospace apologized for the disruption as a 34,000-gallon methyl methacrylate tank in Garden Grove heated up, prompting a county-wide emergency and the evacuation of about 40,000 residents; officials warned of toxic inhalation risk and coordinated with the Orange County Fire Authority, the EPA and OSHA to mitigate the leak. The company said it is monitoring the material and working to resolve the incident, as some residents began returning home after temperatures cooled due to a tank crack amid backlash and potential legal action.

Garden Grove hazmat tank stays at 92 degrees as crews tweak cooling
crime-and-public-safety3 months ago

Garden Grove hazmat tank stays at 92 degrees as crews tweak cooling

Fire officials say a methyl methacrylate-filled pressurized tank at GKN Aerospace in Garden Grove remained at 92°F overnight. Crews temporarily removed a ground hose used to cool the tank to gauge how it would respond without that measure, while water from a facility system continues cooling the vessel. Officials aim to lower the temperature as evacuation zones are scaled back and services resume in the affected area.

Cracked methyl methacrylate tank eases blast risk as 50,000 evacuate in Southern California
local3 months ago

Cracked methyl methacrylate tank eases blast risk as 50,000 evacuate in Southern California

A methyl methacrylate tank at GKN Aerospace in Garden Grove cracked, potentially relieving pressure and reducing explosion risk. About 50,000 residents were evacuated as crews cool the tank, monitor for leaks, and erect containment barriers. Air quality around the area remains within normal limits, no injuries have been reported, and a related class-action lawsuit has been filed by residents.

Garden Grove Evacuation as Chemical Tank Nears Explosion
usnews3 months ago

Garden Grove Evacuation as Chemical Tank Nears Explosion

Evacuations expanded in Orange County as firefighters work to cool a methyl methacrylate-filled tank at a Garden Grove aerospace plant after it overheated and could explode; drones monitor temperatures, air quality tests are ongoing, and a state of emergency has been declared while authorities warn of potential consequences and a worst-case blast, though no injuries have been reported.

Orange County Evacuations Expand as Chemical Tank Threatens Explosion
local3 months ago

Orange County Evacuations Expand as Chemical Tank Threatens Explosion

More than 40,000 residents in Orange County were evacuated after a pressurized methyl methacrylate tank at GKN Aerospace overheated and began venting vapors, with officials warning of a potential leak or explosion; cooling efforts are hampered by damaged valves, and authorities have readied shelters while the state government declares an emergency and monitors air quality for a possible plume.

California races to cool dangerous methyl methacrylate tank to avert disaster
us-news3 months ago

California races to cool dangerous methyl methacrylate tank to avert disaster

Firefighters in Garden Grove, CA are cooling a leaking methyl methacrylate tank and bringing in outside experts as Governor Newsom declares a state of emergency; tens of thousands have evacuated and shelters are at capacity while responders shift from defensive to offensive efforts to neutralize the tank and prevent rupture, spill, or explosion.

Orange County Declares Emergency as Toxic Tank Threatens Runaway Reaction
local3 months ago

Orange County Declares Emergency as Toxic Tank Threatens Runaway Reaction

California Gov. Gavin Newsom declared a state of emergency in Orange County after a 7,000-gallon methyl methacrylate tank at a Garden Grove facility began heating, prompting evacuations of more than 50,000 residents; officials are seeking containment options to prevent a thermal runaway or explosion, while monitoring air quality and coordinating with state and local responders, with Los Angeles offering hazmat support if needed.

Cooling fight to avert explosion in Orange County chemical tank
california3 months ago

Cooling fight to avert explosion in Orange County chemical tank

Officials in Garden Grove are cooling a 7,000-gallon methyl methacrylate tank to prevent a thermal runaway, BLEVE or toxic vapor release; cooling has slowed the reaction, but clogged valves blocked a planned neutralizer, leading to expanded evacuations as authorities monitor for explosion risk and environmental damage in an unprecedented local crisis.

Orange County braces for toxic plume as aerospace tank nears failure
california-local-news3 months ago

Orange County braces for toxic plume as aerospace tank nears failure

An unprecedented risk is unfolding at a Garden Grove aerospace facility where a large tank of methyl methacrylate (MMA) could fail, potentially releasing toxic vapors and triggering a BLEVE. About 40,000 residents are under a 1–3 mile evacuation zone across parts of Garden Grove, Anaheim, Buena Park, Cypress, Stanton and Westminster, with Disneyland outside the area. One tank contains roughly 7,000 gallons and is most at risk; valves are broken and stabilized agents can’t be added, complicating efforts to depressurize or drain it. Crews have cooled the tank with sprinklers and are monitoring with drones, while authorities search for alternative mitigation methods. MMA exposure can irritate the lungs and, at high levels, cause severe respiratory distress; long-term effects are a concern, though the chemical is not deemed likely to be carcinogenic. Some residents are refusing to evacuate, and officials stress this could last days as they work to prevent a toxic vapor plume from reaching other areas.