Figure 1 . Distributions of Cadmium and tPCB concentrations in sediment on 

 aritiimetic and logaritiimic scales 



200^ 



150 H 



B 



'^ 100 

 o 



a5 



E 50 



Cd 







"1 \ \ r 

 8 12 16 20 



Concentration (|jg/g-clry) 

 Arithmetic scale 



200 



150 



CO 



■"^ 100 

 o 



CD 



E 



3 



50 



tPCB 



800 1600 2400 3200 4000 



Concentration (ng/g-dry) 

 Aritlimetic scale 



w 



a> 

 ■^ 



'en 



^_ 



CD 



E 



3 



w 



(D 



■t— ' 



High 



Concentration 



1 .3 MQ/g-dry 



50 n 

 40 



30- 

 20- 

 10- 



.016 0.10 0.63 4.00 25.0 160 



Concentration (pg/g-dry) 

 Logarithmic scale 



High 



Concentration 



200 ng/g-dry 



° 30 



CD 



-| 20 



^ 10 



0.25 1.60 10.0 63.0 400 2500 



Concentration (ng/g-dry) 

 Logarithmic scale 



