Table 38. --Parts per million (mg. /kg. ) of pesticides in liver and brain tissues of northern fur seals 



Years 



Immature males 



US69-76 



US69-78 



US69-82 



US69-85 



US69-1I7-' 



8317 



2/ 



R-9514^ 



Q- 19800-' 

 Q-2102 5r.{ 



Q-21777 

 Q-24993 



19-2. 



20-2 



20-2. 



20-2. 



25-2. 

 2-7. 

 2-7. 

 2-7. 

 2-7- 

 2-7- 

 2-7- 

 2-7- 

 2-7- 



69 

 69 

 69 

 69 

 69 

 68 

 68 

 68 

 68 

 68 

 68 

 68 

 68 



Immature and nonpregnant females 



US69-74 



US69-75 



US69-81 



US69-83 



US69-87 



US69-101 



US69-103 



US69-11{ 



US69-88': 



US69-257 



11 



'■J 

 2/ 



19-2-69 

 19-2-69 

 20-2-69 

 20-2-69 

 21-2-69 

 22-2-69 

 25-2-69 

 25-2-69 

 21-2-69 

 26-3-69 



Pregnant females 

 US69-45 



14- 

 14- 



Mother 



tt + 4 / 

 Fetus — 



US69-77 



Mother 



Fetus 

 US69-167-' 



Mother 



Fetus . 



US69-193- 



Mother 



Fetus 

 US69-200-' 



Mother 



Fetus 

 US69-201 



Mother 



Fetus 

 US69-247 



Mother 



Fetus 



2/ 



2/ 



19- 

 19- 



i [■ 

 11- 



12- 



12- 



2-69 

 2-69 



2-69 

 2-69 



3-69 

 3-69 



3-69 

 3-69 



-69 

 -69 



24- 



24- 



■3-69 

 ■ 3-69 



3-69 

 3-69 



11 



1/ The insecticide DDT is a mixture of two isomers (o, p'- and p, p'-). The p, p 1 - compound and its 

 degredation products DDE and DDD are included in this table along with the insecticide dieldrin. 



2/ Known-age seals tagged on Pribilof Islands, Alaska. 



3/ Known-age seal tagged on Commander Islands, U.S.S.R. 



4/ Fetuses were in their 4th month of development. 



34 



