Separation of non-ortho PCB congeners on pre-packed carbon tubes. Application to analysis in sewage sludge and soil samples. Publication Attachment: 98-332.pdf Authors: Molina, L, Cabes, M, Diaz-Ferrero, J, Coll, M, Marti, R, Broto-Puig, F, Comellas, L, Rodriguez-Larena, MC Year: 1998