Responding to a complaint from employees at a facility operated by the fourth largest foodservice distributor in the U.S., OSHA found that a check valve in the food plant’s pump room leaked about 9 pounds of anhydrous ammonia on Oct. 21, 2015. Inspectors also found the ammonia sensor in the pump room did not sound an alarm as expected. OSHA’s inspection identified several deficiencies in the Process Safety Management program. As a result of its findings, OSHA cited the business on April 20, 2016, for six serious and two repeated violations of workplace health standards. The company faces a total of $72,000 in proposed penalties. In this case, the process is the facility’s refrigeration system which uses 27,500 pounds of anhydrous ammonia. The deficiencies included: