TABLE OF CONTENTS 



Acknowledgements i 



Executive Summary ii 



Introduction 



Western Long Island Sound Disposal Site 1 



Eastern Long Island Sound Reference Station 1 



Proj ect . Ob j ectives 1 



Experimental 



Field Operations 2 



Laboratory Procedures 3 



Trace Metal Analyses 3 



Analyses of Polychlorinated Biphenyls 3 



Gas Chromatograph/Mass Spectrometry Identification 



of Phthalate Esters 3 



Histopathological Studies 4 



Statistical Analyses of the Data 4 



Results 



Trace Metal Concentrations 5 



Polychlorinated Biphenyl (PCBs) Concentrations 6 



Bis (2-ethyl hexyl) Phthalate 7 



Mortalities 8 



Histopathological Studies 9 



Discussion 



Trace Metal and PCB Concentrations 12 



Biological Effects 14 



Conclusions 17 



References Cited 20 



Tables 23 



Figures 43 



Appendix 



Tables la,b - 4a, b summarize tissue trace metal 54 



concentrations (expressed in nq/q wet weight 



and A*g/g dry weight) observed in mussels deployed 



at Rlr, WLISrN, WLISc and 500MW 



Tables 5-8 list PCB concentrations (expressed in A»g/g • • • 64 

 wet weight and nq/q dry weight) found in mussels 

 deployed at Rlr, WLISrN, WLISc and 500MW 



Table 9 summarizes PCB concentrations (expressed in 70 



nq/q wet weight and nq/q dry weight) found in 

 mussels maintained at LATr 



