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NASA-LLIS-0138 - LESSONS LEARNED - GOX VENT ARM AIR RECEIVERS BLEED MANIFOLD VENTING OPERATIONS Organization: NASA
Date: 1992-09-25
Description: A noise hazard survey conducted during the bleed down operation was performed on the air system to determine the noise level near the operator's ear. This survey recorded a noise level of 126.5 DBA. OSHA 1910.95, occupational noise exposure, limits noise exposure for fifteen minutes or less to 115 DBA.

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