LIST OF FIGURES - Continued 

 Figure Page 



49 Zooplankton Population (Average of Surface, 



Middle and Bottom Counts) 104 



50 Analysis of Coliform in Sediment Through 



December 1971 107 



LIST OF TABLES 

 Table 



1 Historical Trends of Ocean Dumping 1949-1968 4 



2 Types and Amounts of Waste Materials Disposed 



of by Ocean Dumping, 1968 5 



3 Amounts of Waste Disposed Of in the Ocean 



Dumping Grounds of the New York Bight 6 



4 Physical Properties of Sediments Dredged 



in the New York Metropolitan Area 38 



5 Ranges of Chemical Data Measurement near 



the New York Dumping Grounds 52 



6 Abundance of Major Elements in Typical Sewage 



Sludge and Natural Sediment Deposits 58 



7 Spectrochemical Analyses of Sewage Sludges, 



New York Metropolitan Region 59 



8 Heavy Metals Concentrations in Sewage Sludge 



and Dredge Spoils 60 



9 Estimated Amounts of Oxidizable Carbon and 

 Potentially Troublesome Elements Discharged 

 with Various Waste Solids in Offshore Disposal 



Sites, New York Metropolitan Region 61 



10 Some Chemical Properties of Sewage Sludges 



New York Metropolitan Region 73 



11 Percent Total Carbon Composition of the 



Suspended Solid Material in Sewage ...... 73 



12 Species Diversity at Sampling Stations Within 



and Outside the Disposal Areas 82 



