A potential crack discovered in a large chemical tank in Orange County, California, may be reducing pressure inside, potentially lowering the risk of a catastrophic explosion. This development comes as officials continue to manage the situation at GKN Aerospace in Garden Grove, where a tank containing methyl methacrylate (MMA) has been overheating.

Evacuation and Safety Measures

Approximately 50,000 residents remain evacuated from the area, spending Memorial Day weekend in shelters or with family and friends. The evacuation zone does not include popular tourist spots like Disneyland and Knott’s Berry Farm. Interim Fire Chief TJ McGovern of the Orange County Fire Authority stated that the crack could be a positive sign, although continuous air monitoring shows no current leaks or air quality issues.

The chemical MMA can cause respiratory and skin irritation, according to the Environmental Protection Agency. Efforts are underway to solidify the chemical from the outside in, similar to freezing an ice cube, to prevent any potential leaks or explosions.

Community Impact and Legal Action

Residents affected by the evacuation have filed a lawsuit against GKN Aerospace, alleging negligent storage and handling of MMA. The lawsuit claims the company’s actions have led to significant disruptions and potential health risks for the community. The couple leading the lawsuit, along with others, are concerned about the ongoing uncertainty and displacement costs.

California Governor Gavin Newsom has declared a state of emergency, emphasizing the safety of residents as a top priority. Local authorities, including the Orange County District Attorney, are encouraging anyone with information about the incident to come forward.

Ongoing Monitoring and Response

Authorities first responded to the facility last Thursday when a vapor release was detected. The tank’s temperature has been rising, reaching concerning levels. Efforts to cool the tank have been complicated by malfunctioning valves. Officials have released a blast zone map indicating potential impact areas should an explosion occur.

GKN Aerospace has apologized for the disruption and is working with emergency services to monitor and mitigate risks. The situation remains under close observation as officials strive to prevent any harm to the community and environment.

Original reporting: El Paso News (HLL/CB) — read the source article.