BOTTLENOSE DOLPHIN 

 blubber extract after 

 isolation of planar PCBs 



170 



\ 



ppDDD 

 / 



oL^-JSA 



118t 

 opDDDx 



ppDDT 138 



105t \|lji26- r 156t '"^l 



50 



^ 



I I I I I I I I I I I I I 1 I I I I I ''»' I '  '' I '''''*' ' 



60 70 80 90 



Retention time (minutes) 



Retention time (minutes) 



Re.4. Chtnnatogran)(G(VEC0)dctoanadi9as»Kts(b)rsiz»«clunnHPtjC)l^ 



«ndatef(A)HPLCction ialo graphyon2K11>ywny<)ettiy>(ime^^ TbePCBsm 



identified by lUPAC lUTter vd m «so iderttted in (A) by tte toadiir gra^«^ 



congeners (pure 3-m8Diylctioi<m8wane-lype inducers: 169 not present 



AbbreviatianK: NONA.os4iaracMor.Oia-deidrin:op-.pp4)DT-2.4'-or4,4'-OOT;op-.p|^^ Z4- or 4^-000: op-. nM)DE- Z4'-a4. 



4'-0DE. (Ftom Varanasi etH 1991). 



79 



