TABLE OF CONTENTS 



Page 



LIST OF TABLES iii 



LIST OF FIGURES iv 



EXECUTIVE SUMMARY vi 



1.0 INTRODUCTION 1 



1.1 Disposal Operations at the MQR Mound, 1982-1983 1 



1.2 Biological Monitoring at MQR 9 



1.3 1991 Coring Operations 15 



2.0 METHODS 16 



2.1 Sample Collection 16 



2.2 Laboratory Analyses 18 



2.2.1 Physical Analyses 18 



2.2.2 Chemical Analyses 18 



2.2.2.1 Pesticide and Total PCB Analyses 18 



2.2.2.2 Priority Pollutant Metal Analyses 21 



2.2.2.3 Poly nuclear Aromatic Hydrocarbon (PAH) 



Analyses 21 



2.2.2.4 Volatile Organic Analyses 22 



3.0 RESULTS 24 



3 . 1 Sediment Core Descriptions 24 



3.2 Grain Size Results 24 



3.3 Chemistry Results 24 



3.3.1 Pesticide/PCB Results 24 



3.3.2 Metal Results 33 



3.3.3 PAH Results 33 



3.3.4 Volatile Organic Results 41 



4.0 DISCUSSION 43 



4. 1 Volume Estimates of MQR Source Materials 43 



4.2 Metal Ratios of MQR Source Materials 45 



4.3 Organic Contamination of MQR Sediments 52 



5.0 CONCLUSIONS 57 



6.0 REFERENCES 58 



INDEX 



