202 



FIGURE 2. RELATIVE CONTRIBUTION OF SEWAGE SLUDGES TO THE 

 CHEMICAL LOADINGS OF THE NEW YORK BIGHT APEX. 



Sewage Sludge 



3.1% 



Mercury 



Cadmium 



Sewage Sludge 

 0.2% \^ 



Dredged Material Contribution? 

 Fecal Conforms 



PCBs 



Source: NYC 1983. 



