Accident Report Detail

Accident Summary Nr: 170737506 - Employees suffer chemical exposure performing leak test

Accident Summary Nr: 170737506 -- Report ID: 0950645 -- Event Date: 03/01/1994
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
119906642	09/13/1994	3641	0	Rockwell International, Rocketdyne Division
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
119906626	07/26/1994	3761	0	Rockwell International, Rocketdyne Division

Abstract: At approximately 10:30 a.m. on February 7, 1994, Employees #1 and #2 were at Rockwell International's Santa Susanna (CA) Facility, performing a leak test on cell #37's propellant conditioner system at STL IV. The leak test was being performed using gaseous nitrogen. At the time it was being performed, the MMH (mono-methylhydrazine) conditioner system valve (aspirator) had been left in the open position, and a mixture of nitrogen and MMH vapors was forced from the conditioner system to the ozonator tank ullage and out the ozonator tank vent. After first aid treatment, Employees #1 and #2 were taken to West Hills Hospital where they were treated and released.

Keywords: LEAK, WORK RULES, INHALATION, VALVE, OVEREXPOSURE, INATTENTION, NITROGEN, CHEMICAL VAPOR

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	119906642			Non Hospitalized injury	Other	Welders and cutters
2	119906626			Non Hospitalized injury	Other	Miscellaneous hand working occupations

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