Here is an article on the explosion if you haven't seen it yet.
INDIANA FURNITURE EXPLOSION
January 09, 2009 - An explosion at Indiana Furniture Flat Line Assembly Plant early Friday morning sends six people to the hospital. Central dispatch received the first call at 7:19AM on the report of an explosion. According to Indiana Furniture President Rich Slayton a panel got stuck in the machine, caused a small spark, and ultimately traveled to the dust collecting system and exploded. The explosion occurred on the Northeast corner of the machine room and blew out everything west, which includes the finishing room. According to Slayton, there were approximately 60 people working at the time of the explosion. The amount of damage is undetermined at this time. Slayton said even parts of the building that werent affected by the explosion, received damage due to the water sprinklers setting off. Jasper Fire Chief Kenny Hochesang says two people were taken by personal vehicle to Jasper Memorial Hospital for minor lacerations, with one having a chipped tooth. Four people were taken by ambulance to Memorial Hospital for precautionary measures concerning the chemical acetone. When asked about how long clean up could take, Hochesang says "quite some time". Slayton says this is the first time anything like this has happened and the building has been there since the mid 90's. Slayton also mentioned workers will go work at the other area plants so they will not miss work. Many different officials are on the scene including the Health Department, Utility Department, IDEM, State Police, Jasper City Police, and Jasper Fire Department.
Sad news. I hope they can get back to work in soon.
As nice as a big central dust collector is, episodes like this reinforce my opinion that each machine (or two) should have a small dedicated collector, that way the whole building isn't a time-bomb.