A United States Steel Corp. plant in Pennsylvania that experienced an explosion that killed at least two people has a history of accidents and violations over the past 15 years.
The Clairton Coke Works plant near Pittsburgh, the biggest facility of its kind in the US, has been the site of multiple fires, accidents and violations in recent years that resulted in worker injuries, lawsuits and fines.
The explosion on Monday took place inside a battery operating area at around 10:51 a.m….