%0 conference poster %@ %A Ebinghaus, R., Jennings, S.G., Kock, H.H., Derwent, R.G., Manning, A.J., Spain, T.G., Weigelt, A. %D 2012 %J 16th International Conference on Heavy Metals in the Environment, ICHMET 2012 %T Decreasing trends in total gaseous mercury observations in baseline air at Mace Head, Ireland from 1996 to 2011 %U %X