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>> OFF-GAS TESTING

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AT WHITE SANDS TEST FACILITY

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IDENTIFIES AND QUANTIFIES

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THE VOLATILE OFF-GASSED PRODUCTS

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FROM MATERIALS

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AND ASSEMBLED ARTICLES

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THAT WILL BE LOCATED

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WITHIN HABITABLE REGIONS

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OF THE SPACECRAFT.

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OFF-GASSING IS THE RELEASE

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OF GASEOUS PRODUCTS

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FROM A MATERIAL

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INTO AN ATMOSPHERE

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THAT CAN ACCUMULATE

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IN A CLOSED-LOOP ENVIRONMENT

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AND POTENTIALLY CREATE

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A POISONOUS ENVIRONMENT.

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TESTING INCLUDES PLACING

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THE CANDIDATE MATERIAL

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OR COMPONENT IN A CERTIFIED

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CLEAN CONTAINER,

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THEN THERMALLY CONDITIONING THEM

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AT A SET TEMPERATURE

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FOR A SPECIFIED LENGTH OF TIME.

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THE ATMOSPHERE

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INSIDE THE CONTAINER

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IS ANALYZED USING

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A VARIETY OF TECHNIQUES

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TO IDENTIFY AND QUANTIFY

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OFF-GAS COMPONENTS

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IN ACCORDANCE WITH

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NASA STANDARD 6001.

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TECHNIQUES AND INSTRUMENTATION

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HAVE BEEN OPTIMIZED

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AND VALIDATED TO ENSURE

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EVEN VERY SMALL QUANTITIES

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OF TOXIC CHEMICALS

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CAN BE RELIABLY DETECTED.

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THE DATA GENERATED IS USED

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TO DETERMINE THE QUANTITY

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OF EACH MATERIAL

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OR THE NUMBER

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OF ASSEMBLED ARTICLES

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THAT CAN BE FLOWN CONCURRENTLY

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WITHIN A SPACECRAFT.

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CHAMBERS FOR TESTING OF BOTH

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SMALL AND LARGE MATERIALS

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AND COMPONENTS

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RANGE IN SIZE FROM 2 LITERS

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TO 8,000 LITERS.

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OFF-GAS TESTING SIMULATING

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ONBOARD PROCESSES

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SUCH AS 3D PRINTING

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AND USE OF ADHESIVES

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CAN ALSO BE PERFORMED

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TO EVALUATE THE POTENTIAL

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TOXICITY GENERATED.