ANALYSIS OF SUB-PPB LEVELS OF PERFLUOROOCTANOIC ACID (PFOA) AND PERFLUOROOCTANESULFONATE (PFOS) IN FOOD AND FISH Publication Attachment: 07-669.pdf Authors: Gruber, L, Schlummer, M, Ungewiss, J, Wolz, G, Moeller, A, Weise, N, Fromme, H Year: 2007