On Jan. 5, the U.S. Chemical Safety Board (CSB) released a report on the three deadly fires and explosions that occurred at a Hoeganaes Corp. plant in Gallatin, Tenn., in 2011. The report asserts that the accumulation of fine iron powder in the facility led to the explosions, and that Hoeganaes did not take necessary action to prevent these fatal events. Five workers died and three were injured in three separate incidents at Hoeganaes Corp.’s Gallatin powdered metals plant in 2011. When fine particles of iron dust ignited on Jan. 31, two workers were burned and later died from their injuries. […]