That sample released oxygen when heated, suggesting the presence of perchlorate.
From the newscientist.com
High levels of perchlorate were found in the Mojave Desert city's water supply.
From the latimes.com
Perchlorate is an ingredient in fireworks, munitions and solid rocket propellant.
From the pe.com
In the 1970s it used the chemical, called perchlorate, to make solid rocket fuel.
From the newscientist.com
California law requires that perchlorate levels be below 6 parts per billion.
From the sacbee.com
Perchlorate, a chemical in rocket fuel, is another of the contaminants in the area.
From the dailynews.com
The chemical, perchlorate, has turned up in several cities'drinking water supplies.
From the stltoday.com
After taking public comment, the EPA will issue a formal rule on perchlorate levels.
From the sacbee.com
So, perchlorate may be allowing small amounts of liquid water to form on Mars today.
From the en.wikipedia.org
More examples
A salt of perchloric acid
A chemical used in manufacturing rocket fuel that has contaminated some Southern California groundwater basins.
Waste perchlorates are regulated as hazardous waste because they exhibit the characteristic of an oxidizer. (MN Rule. 7045.0131, sub.3). ...
A chemical used as the primary ingredient of solid rocket propellant and in munitions beginning in the 1950s. Perchlorate is also used in the production of explosives and fireworks. It adds the blue color to firework displays. Perchlorate remains in use and is unregulated. ...