School closures will be in effect for several schools in the Garden Grove area due to a hazardous materials situaiton involving a toxic chemical tank at an aerospace facility in the Orange County community.
Firefighters have warned that the storage tank, containing thousands of gallons of a chemical used in the manufacture of resins and plastics, may either spill those contents or explode. Authorities continue to spray water on the tank, which began overheating Thursday, in an effort to lessen the risk…