10092 
L. Kattner et al.: Monitoring compliance with sulfur content regulations of shipping fuel 
Atmos. Chem. Phys., 15,10087-10092, 2015 
www.atmos-chem-phys.net/15/10087/2015/ 
since 2009, which could have a positive influence on the ac 
ceptance of the new regulation. 
With the described method it is possible to easily and reli 
ably identify those ships that do not comply. It is possible to 
check 10-40 % of all ships entering and leaving the harbour, 
depending on wind conditions. This should be interesting to 
government agencies in charge of the control of the SECAs. 
Acknowledgements. The research project which facilitated the 
reported study was funded in part by the German Federal Maritime 
and Hydrographic Agency and the University of Bremen. The 
authors thank the Waterways and Shipping Office Hamburg and 
the Institute for Hygiene and Environment, Hamburg, for their help 
and support. 
The article processing charges for this open-access 
publication were covered by the University of Bremen. 
Edited by: R. Harley 
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