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California searches for novel solution to chemical tank heating up and threatening catastrophe

The incident commander revealed on Saturday that firefighters were bringing in outside experts from other countries to prevent a disaster. This was because some shelters nearby had run out of space to accommodate evacuees.

The evacuation orders were still in effect for an area covering tens and thousands of residents in the Garden Grove suburban Los Angeles.

California Governor Gavin Newsom has declared an emergency in Orange County. His office has urged residents to evacuate. Craig Covey said, in a social media video, that "we brought in subject-matter experts from across the state to help us think outside the box. We had some very productive conversations today." He did not elaborate on potential solutions.

As the risk grows, shift to offensive from defensive

Anaheim, Fountain Valley La Palma, and Huntington Beach all reported full evacuation shelters. Covey had earlier stated that crews returned to the danger zone over night after drone readings suggested on Friday that water sprayed onto the tanks helped stabilize the situation. When crews arrived at the gauge of the tank, they discovered that the temperature inside was 90 degrees Fahrenheit. (32 degrees Celsius) This is up from the 77 F (25 C), when responders pulled back. He said that the temperature was rising by one degree per hour. "That's bad news."

Since Friday, officials have warned that the tank containing methyl methacrylate (a flammable chemical commonly used in plastics and manufacturing) could rupture, spilling 'up to 7,000 gallons of toxic material or explode, endangering nearby tanks.

Covey, a firefighter from Covey Fire Protection Services, said that on Saturday they were investigating whether a large flow of cooling could slow down the curing inside the tank to the point where it would reduce the pressure and prevent an explosive explosion.

Covey stated that it was unacceptable for him to let the device blow up and fail.

The incident occurred on Thursday, at the GKN Aerospace plant in Garden Grove. This city has a population of 172,000 and is located about 30 miles (50 kilometers) south of Los Angeles. According to its website, the site is specialized in manufacturing and testing windows and canopies of commercial and military aircraft. GKN stated that it was working closely with "all relevant specialists" to resolve the issue. GKN apologized for the inconvenience caused to local residents and businesses.

Covey stated that crews switched from a defensive to offensive stance overnight, with the help of chemists in the manufacturer's emergency response teams. The aim was to neutralize the 15,000-gallon nearby tank and reduce its potential explosiveness if it failed.

Covey said, "We put people in danger last night."

Officials from the Department of Health have expressed concern that prolonged exposure to vapors could lead to severe respiratory problems. Air-quality monitors did not detect vapor at the time of the last health update, according to officials.

Dr. Regina Chinsio - Kwong, of the Orange County Health Care Agency, said that Friday: "You're safe so long as you stay out of the area that has been designated as an?evacuation zone".

Covey stated that crews are?also prepared for a potential spill, by looking at ways to dike, dam, and divert liquid into a holding zone at the commercial site rather than allowing it to reach storm drainage, river channels, or the ocean.

Covey stated, "We will not give up." (Reporting in New York by Rodrigo Campos, with additional reporting by Dan Catchpole, and editing by Sergio Non. David Gregorio, William Mallard, and Sergio Non.

(source: Reuters)