1. Aas, W. and Breivik, K.: Heavy metals and POPs measurements, 2006 Co-operative programme for monitoring and evaluation of long range transmission of air pollutants in Europe (EMEP), NILU, Kjeller, 2008.
2. Aas, W. and Breivik, K.: Heavy metals and POP measurements 2007, Co-operative programm for monitoring and evaluation of long-range transmissions of air pollutants in Europe, NILU, KjellerO-95038/O-99050, 3-117, 2009.
3. Bailey, R. E.: Global hexachlorobenzene emissions, Chemosphere, 43, 167–182, 2001.
4. Barber, J. L., Sweetman, A. J., van Wijk, D., and Jones, K. C.: Hexachlorobenzene in the global environment: Emissions, levels, distribution, trends and processes, Sci. Total Environ., 349, 1–44, https://doi.org/10.1016/j.sciotenv.2005.03.014, 2005.
5. Bartkow, M. E., Jones, K. C., Kennedy, K. E., Holling, N., Hawker, D. W., and Müller, J. F.: Evaluation of performance reference compounds in polyethylene-based passive air samplers, Environ. Pollut., 144, 365–370, https://doi.org/10.1016/j.envpol.2005.12.043, 2006a.