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Accident Report Detail

Accident: 14419550 - Six Employees Suffer From Anhydrous Ammonia Inhalation

Accident: 14419550 -- Report ID: 0728900 -- Event Date: 08/18/1994
InspectionOpen DateSICEstablishment Name
10932713008/19/19941541Cargill, Inc.
InspectionOpen DateSICEstablishment Name
10932715508/19/19941623Ryan And Associates
InspectionOpen DateSICEstablishment Name
10932710608/18/19945191Agricultural Minerals
InspectionOpen DateSICEstablishment Name
10932715508/19/19941623Ryan And Associates
InspectionOpen DateSICEstablishment Name
10932714808/19/19947381Merrill Security, Inc.
InspectionOpen DateSICEstablishment Name
10932715508/19/19941623Ryan And Associates
Between 8:30 p.m. and 9:00 p.m. on August 17, 1994, a terminal operator for Agricultural Minerals arranged for anhydrous ammonia to be pumped from the pipeline into two 30,000 gallon anhydrous ammonia pressure vessels (bullets) at the anhydrous ammonia and liquid fertilizer terminal. The high level shut-off switch had been disconnected since July 27, 1994. At about 3:00 a.m. on August 18, 1994, while the terminal operator was working in the compressor room, the bullets were overfilled and an emergency relief valve released about 1,000 pounds of anhydrous ammonia into the air. The ammonia cloud drifted southward onto another property, where a Cargill, Inc., ethanol plant was under construction. As a result, Employee #1 of Merrill Security, Inc., and Employees #2 through #6 of Ryan & Associates (a piping contractor), were sent to Blair Memorial Community Hospital where they received oxygen as first aid for respiratory irritation. Another 18 employees of Ryan Associates were evaluated and released.
Keywords: respiratory, toxic atmosphere, air contamination, pressure vessel, accidental discharge, work rules, inhalation, overexposure, construction, anhydrous ammonia
Employee # Inspection Age Sex Degree Nature Occupation
1 109327130 Occupation Not Listed
2 109327155 Non Hospitalized injury Burn(Chemical) Occupation not reported
3 109327106 Occupation Not Listed
4 109327155 Non Hospitalized injury Burn(Chemical) Occupation not reported
5 109327155 Non Hospitalized injury Burn(Chemical) Occupation not reported
6 109327155 Non Hospitalized injury Burn(Chemical) Occupation not reported
7 109327148 Non Hospitalized injury Burn(Chemical) Occupation not reported
8 109327155 Non Hospitalized injury Burn(Chemical) Occupation not reported

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