Threat of massive chemical tank explosion is 'eliminated', California officials say

Threat of massive chemical tank explosion is 'eliminated', California officials sayJust nowShareSaveAdd as preferred on GoogleAna FaguyOrange County Fire chief says chemical tank 'actually bulged' amid fears of explosionThe threat of a failing chemical tank in Orange County exploding has been eliminated following an overnight operation, California fire officials say. Division Chief Craig Covey said on Monday that the tank's temperature has decreased, which led to the "positive news". The tank, which contains thousands of gallons of methyl methacrylate - a highly volatile and flammable substance used to make plastic - has been at risk of either a major spillage or an explosion in recent days. There is currently no active leak, but crews have been working since Sunday to assess the risk. A leak remains a possible outcome, officials have said, as an evacuation order for the area remains in place. The damaged chemical tank in southern California cracked over the weekend, and officials were hopeful pressure that had built up inside the tank would be gradually releasedThe threa.t of a BLEVE, or Boiling Liquid Expanding Vapor Explosion, has been "eliminated" after an overnight operation, Orange County Fire Authority Interim Chief TJ McGovern said on Monday. "We are happy to report that the threat of a BLEVE is now off the table," McGovern said. "That threat has been eliminated."Covey, who spoke alongside McGovern, said in a video shared on social media that crews confirmed a crack in the tank, which led to a pressure release. The tank's internal temperature has decreased from 100F (38C) to 93F (34C).The safety of the firefighters on site prevented officials from offering more updates on the tank's internal temperature over the weekend, Covey said. "We were not doing tank temperature checks during the day while the sun was on it in the most extreme conditions for that tank to go the wrong direct...