Think International Space Station dust is obviously free of bad chemicals? Wrong
"We think much of what we see on the ISS is due to off-the-shelf items brought on board by the astronauts that contain organic flame retardants used on Earth in electrical items," Harrad said.
"Occasionally the vacuum cleaner is used to clean up materials after an experiment is performed, resulting in higher concentrations of some materials not indicative of typical airborne material concentrations," the team noted in its study.
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