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ISS Total Organic Carbon Analyzer Status Update - 2003
Technical Paper
2003-01-2403
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The Crew Health Care System (CHeCS) is responsible for providing environmental monitoring to protect crew health, including in-flight chemical water quality analysis. To meet this objective, Total Organic Carbon Analyzer (TOCA) Serial Number (SN) 1002 was launched to the International Space Station (ISS) in April of 2001 as part of the CHeCS hardware. Since that time it has been used to evaluate the quality of the potable water supplies consisting of reprocessed atmospheric condensate water, Shuttle-transferred water, and ground-supplied water. Potable water is available for crew use from the Service Module System for Regeneration of Water from Condensate (SRV-K) galley hot and warm ports and the Stored Potable Water System (SVO-ZV) port. Potable water samples are periodically collected from each of these ports for in-flight analysis with the TOCA. Archive chemical samples are also collected from the ports and returned to the ground for detailed analysis and comparison with on-orbit results. Data from initial TOCA in-flight operations were presented at this conference in 2002. The first part of this paper provides subsequent TOCA on-orbit data and compares them to ground-based results from archive samples for verification of TOCA SN 1002 analytical performance. The second part of this paper provides the status of acceptance testing of the replacement TOCA unit, SN 1004, which before the Shuttle Columbia tragedy was scheduled for launch to ISS on March 1, 2003 on flight ULF-1.
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Citation
Straub, J., Schultz, J., Morrison, C., and Davenport, R., "ISS Total Organic Carbon Analyzer Status Update - 2003," SAE Technical Paper 2003-01-2403, 2003, https://doi.org/10.4271/2003-01-2403.Also In
References
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