The Neutral External Contamination Working Group develops and integrates the technical activities associated with space contamination. Space-related contamination is the presence of molecular or particulate matter on spacecraft surfaces and systems which may detrimentally impact the planned operations of the mission.


The American Total Ozone Mapping Spectrometer (completely cleaned before final packing) being passed from American to Soviet hands for final mating to the Russian Meteror-3 Spacecraft.

• Neutral External Contamination Overview
• 1994 Technology Development Activities
• 1997 Technology Development Activities
• 2001 Technology Development Activities
• Experiment/Facility Development Activities
• TWG Model & DB
• TWG Publications
• TWG Links

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