According to investigators, an empty propane tanker trailer was found inside the building.
More than 50,000 people in California remain evacuated due to an Orange County chemical leak that prompted Gov. Newsom to request that President Trump issue a Federal Emergency Declaration.
The tank at GKN Aerospace is estimated to contain 7,000 gallons of methyl methacrylate, a volatile chemical used to produce plastics.
The evacuation order has been lifted for residents in Garden Grove after authorities determined that the threat of a catastrophic toxic chemical tank explosion had been eliminated.
Officials have lifted all evacuation orders related to an overheating chemical tank in southern California, a day after a crack in the structure eliminated the risk of a catastrophic blast.
Gov. Gavin Newsom declared a state of emergency in Orange County on Saturday afternoon as the temperature inside a malfunctioning chemical storage tank in Garden Grove rose to dangerous levels while ...