REG NASA-LLIS-0025-1992 Lessons Learned - Release of Toxic Hypergolic Fluids vapors During Payload Processing.pdf

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1、Lessons Learned Entry: 0025Lesson Info:a71 Lesson Number: 0025a71 Lesson Date: 1992-09-04a71 Submitting Organization: KSCa71 Submitted by: Lisa L.MusgraveSubject: Release of Toxic Hypergolic Fluids/vapors During Payload Processing Description of Driving Event: Following its arrival at one of the pay

2、laod processing facilities, a payload is removed from the transporter/container and installed in a test or assembly stand. Facility activities include propellant loading, installation of solid propellant motors, ordnance separation devices, and other explosive or hazardous items. After completing ha

3、zardous operations, the payload is transferred to the vertical processing facility and then to the payload changeout room. Leakage or spilling of toxic propellants is a real possibility during payload ground operations and may allow propellant residuals to accumulate in/on equipment/flight hardware.

4、Lesson(s) Learned: Unmonitored payload processing and propellant transfer operations may result in personnel exposure to toxic hypergolic fluids/vapors.Recommendation(s): Monitor concentrations of hypergolic vapor prior to, during, and after all hypergol operations/perform GSE leak checks to minimiz

5、e potential spills.Evidence of Recurrence Control Effectiveness: N/AProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Documents Related to Lesson: N/AMission Directorate(s): a71 Exploration Systemsa71 Sciencea71 Space Operationsa71 Aeronautics Research

6、Additional Key Phrase(s): a71 Energetic Materials - Explosive/Propellant/Pyrotechnica71 Facilitiesa71 Ground Operationsa71 Ground Equipmenta71 Hazardous/Toxic Waste/Materialsa71 PayloadsAdditional Info: Approval Info: a71 Approval Date: 1994-06-01a71 Approval Name: James G. Klinea71 Approval Organization: KSC/HEIa71 Approval Phone Number: 407-867-7614Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-