NASA Seeks EPA Okay for Space Station Bacteria-Busting Chemical
Published Date: 8/28/2025
Notice
Summary
NASA wants to use a new chemical called ortho-phthalaldehyde to keep the International Space Station’s cooling system clean and bacteria-free. Since this chemical isn’t officially approved yet, the EPA is asking the public for their thoughts before deciding. This could affect space operations but won’t impact your wallet or daily life.
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