Can polychlorinated biphenyl (PCB) signatures and enantiomer fractions be used for source identification and to age date occupational exposure?

Can polychlorinated biphenyl (PCB) signatures and enantiomer fractions be used for source identification and to age date occupational exposure?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Environment International - Volume 81, August 2015, Pages 56-63

David Megson, Jean-Françios Focant, Donald G. Patterson, Matthew Robson, Maeve C. Lohan, Paul J. Worsfold, Sean Comber, Robert Kalin, Eric Reiner, Gwen O'Sullivan,