44 



WLIS Reference Areas 



Median OSI Values 



5 6 7 8 9 10 11 

 Median OSI Values 



□ 1992 OSI Values ■ 1991 OSI Values 



Figure 3-23. OSI frequency distribution at reference stations, 1991 and 1992 



Monitoring Cruise at the Western Long Island Sound Disposal Site, July 1992 



