Inspection Detail

Inspection: 119906642 - Rockwell International, Rocketdyne Division

Inspection Information - Office: Labor Enforcement Task Force (Letf) Unit - South

Inspection Nr: 119906642

Report ID: 0950645

Date Opened: 09/13/1994

Site Address:
Rockwell International, Rocketdyne Division
Top Of Woolsey Canyon Road, Santa Susana
Simi Valley, CA 93063

Mailing Address:
P. O. Box 7922, Canoga Park, CA 91303

Union Status: Union

SIC:3641

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 10/28/1994

Emphasis:

Case Closed: 10/28/1994

Related Activity
Type	Activity Nr	Safety	Health
Accident	362158735

Investigation Summary

Investigation Nr: 170737506

Event: 03/01/1994

Employees suffer chemical exposure performing leak test

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

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	119906642			Non Hospitalized injury	Other	Welders and cutters

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