An ammonia leak at a Koch Foods plant in Chicago caused three employees to be transported to a local hospital on June 16.
Emergency workers were dispatched to the scene just prior to 3 p.m., and they remained there until at least 3:45, according to a Chicago Tribune report.
The three patients, whose identities were not released, were stabilized.
This is not the first time in recent months Koch Foods has had to deal with an ammonia leak at one of its plants. In December 2014, a Koch Foods poultry plant in Gainesville, Georgia, for that same reason. Three people were also treated in that leak. In June 2014, another leak was reported at a Koch Foods Gainesville plant, with workers being evacuated and four employees being treated at a local hospital.
According to the WATT Global Media Top Companies Database, Koch Foods is the fifth largest broiler company in the United States, producing 48 million pounds of ready-to-cook chicken on a weekly basis in 2014. The company has 8 slaughter plants, 4 further processing plants, and one cooking plant. Koch Foods CEO Joe Grendys recently stated that he would like to see the company continue to grow through acquisitions.