67 



10-1 



5- 



4.6 



Actual Volumes 



7.6 



7:2 



5.9 



5.0 



4.2 



4.3 4.4 



4.5 



6.7 



1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 

 Calendar Year 

 Figure 5. Ocean Dumping — Municipal Sludge, 1973-1982 



