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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 131418.015 - Two Employees Are Killed By Nitrogen Leak

Accident: 131418.015 -- Report ID: 0950635 -- Event Date: 12/01/2020
InspectionOpen DateSICEstablishment Name
1504589.01512/01/2020California Ranch Food Company, Inc.
At 7:45 p.m. on December 1, 2020, Employee #1, a production lead supervisor, ent ered the chill/production room. She observed a cloud generating in the immediate area of the freezer tunnel. She went to investigate the cause of the cloud and was killed by asphyxiation. Approximately one hour later, Employee #2, a product ion supervisor, entered the chill/production room. He observed Employee #1 on th e floor and went over to her. Employee #2 was overcome by the lack of oxygen in the room and was also killed by asphyxiation. Liquid nitrogen released from the tunnel freezer, Linde Cryowave Freezing tunnel Model 1250-5, in the chill/produc tion room created an oxygen-deficient atmosphere that asphyxiated both employees . The chill/production room emergency alarms, Advanced Micro Instruments 221R Ar ea Oxygen Deficiency monitor, did not provide warning to the employees of an oxy gen-deficient atmosphere.
Keywords: alarm, asphyxiated, lack of oxygen, nitrogen, oxygen deficiency, ppe, unconsciousness
Employee # Inspection Age Sex Degree Nature Occupation
1 1504589.015 56 M Fatality Driver-sales workers
2 1504589.015 49 F Fatality Supervisors, extractive occupations

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