ST. LOUIS – The Latest on the federal investigation of a deadly steam explosion in St. Louis (all times are local):
A federal report says St. Louis company steam condensation tank exploded, shooting in the air and through the roof of a neighboring business, after the tank is started despite the fact that they are emergency repairs.
The U.S. Chemical Safety and Hazard Investigation Board released the findings Thursday of its investigation into the 3 April explosion of Loy-Lange Box Co. Four people were killed.
The van-sized tank first occurrence of a leak in November 2012. The federal report says a contractor made emergency repairs, but Loy-Long ignored a recommendation to replace a part of the tank.
Engineers again saw a leak on 31 March. The system was shut down and a technician was scheduled to arrive April 3. But the researchers say that the system is re-started that morning, before the technician came, and apparently exploded on startup.
The federal agency is investigating an April 3, steam explosion that killed four people in south-St. Louis is preparing for the release of his findings.
The explosion at Loy-Lange Box Co. powered with a van-sized steam-condensing tank into the air and through the roof of a neighboring business. A Loy-Long worker has died and three people have died at Faultless Healthcare Linen after the tank landed in that business office.
The U.S. Chemical Safety and Hazard Investigation Board releases its report Thursday.