Table 2. Types and Amounts of Waste Materials Disposed of by Ocean Dumping, 1968 



Material 



Atlantic 



Gulf 



Pacific 



Total 



Percent 





(tons) 



(tons) 



(tons) 



(tons) 





Dredge Spoils 



30,880,000 



13,000,000 



8,320,000 



52,000,000 



84 



Industrial Wastes 



3,013,200 



696,000 



981,300 



4,690,500 



< 9 



Sewage Sludge 



4,477,000 











4,477,000 



7 



Construction and 

 Demolition Debris 



574,000 











574,000 



< 1 



Solid Waste 











26,000 



26,000 



< 1 



Explosives 



15,200 











15,200 



< 1 



Miscellaneous 











200 



200 



< 1 



Total 



38,959,400 



13,696,000 



9,327,500 



61,782,900 



100 



after Smith and Brown, 1971 



