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1991006617-399 N91-159_9 i I ! kl Design and D_mvelopment of a ' Space Station Hazardous Material System For Assessing Chemical Compa_..ibility Richard T. Congo NASA/_FC '_ I I. November 15, 1988 25-1 v_ 1991006617-400 I ! • As the Space Station nears reality in funding support from 1 I Congress, NASA plans to perforl over a hundred different i missions in the coming decade. Incrementally deployed, the Space Station will evolve into modules linked to an integral structure. _ach module will have charact*ristlc functions, _ such as logistics, habitation, and materials processing. Because the Space Station is to be "user friendly" for experimenters, NASA is anticipating that a variety of different chemicals will be taken on-board. Accidental release of these potentially toxic _hemica!s and their chemical compatibility is the focus'of this discourse. The Microgravity Manufacturing Processing Facility (MMPF) will contain the various facilities within the US Laboratory ," i (USL). Each "facility" will have a characteristic purpose, such as alloy solidification or vapor crystal growth. By i examining the proposed experiments for each facility, identifying the chemical constituents, their physical state and/or changes, byproducts and effluents, I will be able to identify those payloads which may contain folio, explosive, or reactive compounds that require processing or containment in mission peculiar waste management systems. Synergistic reactions from mixed effluent streams is of major concern. 2: ,f 25-2 _ - 1991006617-401 L Each experiment will hav_ its own data file complst© with schematic, chemical lasting, physical data, etc. Chemical compatibility information from various databases will :' provide assistance in the analysis of alternate disposal i' techniques (pretreatment, separate storage, etc.). Along 1 with data from the Risk Analysis off the Proposed USL Waste Management System, accidental release of potentially toxic and catastrophic chemicals would be eliminated or reduced. | i' 1991006617-402 i z ,° o i 25-4 ' ,o 1991006617-403 i 0 _3 2: I q g-I I I I < < z ,_. X r_ 0 G 0 ILl ffl " _ ,- 2.9-5 ] 99 ] 0066 ] 7-404 I O+1+r +L + z a •o ., _. ee 0 +'""_I _e _I _¢_ 0 0 0 0 0 _D,¢I • )-I _11 _;3 _I. g 2_-6 1991006617-406 i. 0 o_ Z • o _ -- r- M_ " -- ,.. M -- b,,4 _,_ P _. o u [ 25-8 1991006617-407 ORIGINALPAGE !!1 ., 25-9 OF POOR QUALITY 1991006617-408 D_3-.I02._8-.2 : 25-10 _# ] 99 ] 0066 ]7-4 ] 0 25-12 -° _. j 1991006617-412 ORIGINALPAGE IS OF POOR QUALITY 25-14 ] 99 ] 0066 ] 7-4 ] 4 IN I INN _N | INN %14 _ INN _lW e 0].114 4,qN I Olin t,_M | °" | ,;,; _ ,_ M I .Iw to. 0 . I-< --,a.B - u _ _o . _. "ao .. - -=o ; I,. '. 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