FISHERY BULLETIN: VOL. 74, NO. 1 



33° 40 



B 



33° 40' 



FIGURE 2.— Total DDT (parts 

 per million dry weight) in the 

 bottom sediments off Palos 

 Verdes in the vicinity of the 

 Los Angeles County sewer out- 

 falls. A. Shipek samples (pres- 

 ent paper); B. top 10 cm of 

 gravity cores (McDermott et al. 

 1974); C. top 5 cm of Shipek 

 samples (McDermott et al. 

 1974). 



•n8° 20- 



118° 16- 



30 



