! 



s 



30 



25 



20 



15 



10 



5 



Buzzards Bay Reference Stations 

 Frequency Distributions 



N=21 



1 23456789 10 11 



Organism-Sediment index Value 



30 



25 



^ 20 



I 



15 



10 



Buzzards Bay Disposal Site Station 

 Frequency Distribution 



N=45 



Figure 3-17. 



1 23456789 10 11 



Organism-Sediment Index Value 



Frequency distribution of OSI values for on-site 

 and off-site locations at BBDS , March 1990. 



