The International Mussel Watch 



D.3 (continued) Composition of PCB mixture 



Congener 



-QS-S— - 



individual 

 subsamples 



mean 



std.dev. 

 % 



% contribution 

 of ave. cone, of 

 individual con- 

 geners in ave. 

 (PCB sum ) 



18 



26 



52 



49 



44 



101 



151 



149 



118 



138 



187 



183 



128 



180 



170 



194 



PCB sum 



^ig kg' 1 lipid 



1 10 



