Table 1-1 



Contaminant Concentrations in Dredged Material 

 from the Saugus River/General Electric and 

 Mystic River/Blue Circle Atlantic Projects 



(Concentrations in ppm dry weight) 







Saugus River/ 

 General Electric 







Mystic 

 Blue Circle 



River/ 

 Atlantic 



SAMPLE # 



1 



2 



3 



4 



5 



6 



1 



2 



Mercury 



5.30 



0.58 



1.70 



1.20 



0.93 



1.30 



1.50 



0.95 



Arsenic 



** 



** 



** 



** 



** 



** 



31 



20 



Lead 



77 



84 



70 



170 



110 



130 



250 



290 



Zinc 



** 



** 



** 



** 



** 



** 



240 



440 



Chromium 



150 



130 



150 



250 



170 



190 



55 



200 



Copper 



70 



75 



60 



93 



69 



79 



130 



240 



Cadmium 



2.5 



4.2 



1.9 



3.2 



3.1 



5.1 



0.64 



4.5 



Nickel 



** 



** 



** 



** 



** 



** 



15 



38 



Total PCBs 



1.9 



3.0 



2.7 



ND 



2.9 



3.0 



<0.5 



2.8 



Not Analyzed 

 ND = Not Detected 



