Garden Grove declares state emergency

Gov. Gavin Newsom declared a state of emergency in Orange County on Saturday after a leaking chemical tank at GKN Aerospace in Garden Grove left tens of thousands of residents under evacuation orders. The proclamation said the incident began on May 21, when a storage tank containing about 5,000 to 7,000 gallons of methyl methacrylate started heating up and emitting toxic fumes at the company’s site. Orange County fire officials said the risk was not limited to a leak: the tank could also enter a thermal runaway and explode. The governor’s order directed state agencies to deploy personnel, equipment and facilities to support the response. ### How did the emergency reach the point of a state declaration? Newsom’s May 23 proclamation said local resources were not enough for an incident affecting roughly 50,000 residents and requiring broader mutual-aid support. The order cited ongoing evacuation needs, the possibility of a catastrophic chemical release and the need for additional shelter space. It also authorized state assistance through the Office of Emergency Services and instructed residents to follow emergency officials’ directions. (gov.ca.gov) ABC News reported on May 23 that the evacuation zone covered roughly 10 square miles around the Garden Grove site, with schools, hospitals, nursing homes, fire stations and law-enforcement facilities inside the affected area. Newsom said in a statement that “the safety of Orange County residents is the top priority” and that the state was mobilizing available resources. (gov.ca.gov) ### What exactly is happening at the tank? Orange County Fire Authority Chief Craig Covey said temperatures inside the tank were still rising on Saturday, despite cooling efforts. CBS Los Angeles reported that officials had initially believed the tank was cooling, but later found the internal temperature had climbed from 77 degrees to 90 degrees and was increasing by about one degree per hour. The tank was estimated to contain about 7,000 gallons of methyl methacrylate, a volatile and highly flammable chemical used in plastics and aerospace manufacturing. (abcnews.com) Covey told reporters there were “literally two options left remaining”: a full spill of about 6,000 to 7,000 gallons into the surrounding area, or a thermal runaway that could blow up the tank and affect nearby tanks holding fuel or other chemicals. He later said responders were evaluating possible alternatives and consulting specialists across the country. ABC News described the situation as “unprecedented,” citing Covey’s account from the command post outside Garden Grove. (cbsnews.com) ### Why did prosecutors open a criminal probe? Orange County District Attorney Todd Spitzer said Saturday that his office had opened an investigation into the failed chemical storage tank and was seeking information from employees, contractors and others with knowledge of conditions at the site. Local reports said the district attorney’s office also set up an anonymous tip line and online reporting form. (cbsnews.com) CBS Los Angeles reported Spitzer said investigators were not getting “satisfactory answers.” The probe adds a criminal inquiry to an emergency response that had already drawn in local fire agencies, county officials and the governor’s office. ### Why are industrial occupiers across Los Angeles and Orange County watching this? (mynewsla.com) GKN Aerospace’s Garden Grove facility sits inside one of Southern California’s densest industrial corridors, where manufacturing, logistics and other commercial uses operate close to residential neighborhoods and one another. The governor’s proclamation and fire officials’ briefings make clear that a single-site failure can trigger evacuation orders, road closures, school disruptions and shelter demand across multiple nearby cities. (cbsnews.com) The Orange County Fire Authority’s incident page listed a community hotline on Sunday as the response continued. The next public markers are likely to come from OCFA field updates, Orange County emergency notices and the district attorney’s investigation, which on Saturday was still collecting tips about what happened at the Garden Grove site. (ocfa.org) (gov.ca.gov)