%0 conference poster %@ %A Petersen, J.,Gunold, R.,Paschke, A.,Schuermann, G. %D 2013 %J 6th International Passive Sampling Workshop and Symposium, IPSW 2013 %N %P %T Calibrating Chemcatcher ® passive sampler for selected nonpolar substances in tap- and salt water %U %X