%0 conference poster %@ %A Heydebreck, F., Tang, J., Xie, Z., Ebinghaus, R. %D 2015 %J International Symposium on Fluorinated Organics in the Environment, Fluoros 2015 %T PFOA vs. its replacement substance HFPO-DA: Their current environmental releases and fates in the rivers and coastal environment of Germany and China %U %X