Just in time for the July 4th fireworks, I saw this news from ICIS about scientists trying to develop pyrotechnic formulations in missiles and fireworks that eliminate the use of perchlorate, a chemical identified as a groundwater contaminant.Perchlorate is used as an oxidizer in fireworks and missile weaponry. A 2007 EPA report said the perchlorate level in certain lakes spiked as high as 1,000 times its baseline value within hours of fireworks display.
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