Searching for traces in the atmosphere

35,000 tons of undeclared carbon tetrachloride (CCl4) are released into our atmosphere every year – although applications in which this substance is released into the environment have been officially banned by the Montreal Protocol since 2010. So where does this environmental pollutant come from? Empa researchers tracked down carbon tetrachloride and found the possible sources. Read more about Searching for traces in the atmosphere[…]