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Emissions from Postcombustion CO2 Capture Plants Eirik Falck da Silva and Andy M. Booth* SINTEF Materials and Chemistry, Trondheim NO-7465, Norway In addition to the formation of nitrosamines and nitramines within PCCC plants, it is also possible for these compounds to form through the atmospheric photooxidation of the amine solvent present in the emissions. Steady state conversion rates of amines to nitrosamines and nitramines have been reported for a variety of atmospheric conditions.5 Steady state nitrosamine yields for N-nitrosodimethylamine (NDMA) were reported to be