date:May 26, 2012
production at the time, however, there were about 150 people present, and most of them were working in our second shift ham boning operation.
Mickelson said the plant was evacuated and, as a precaution, 40 workers were taken to local hospitals for evaluation. They have all been released, he said.
Tyson maintenance workers repaired the ammonia line involved in the leak, he added. Ammonia is used as a part of the plants refrigeration system.
Tyson employs 1,100 workers at the plant, which was