d.,„,DB/KYD 



d^C/oSATURATION) 

 MODE 2-1-1 



40 60 80 100 120 %SATURATION 



f 215 



a- tD( DB/KYD d-, ,(GONY«ULAX) 



MODE 2-1-1 



Figure 21. Total attenuation coeffi- 

 cient for mode 2-1-1 vs. per cent of 

 saturation with oxygen (no correction 

 made for cavity attenuation). 



150 NUMBER/ML 



, i | , I , i i , » 



20 NUMBER COUNTED 



Figure 22. Total attenuation coeffi- 

 cient for mode 2-1-1 vs. concentration 

 of Gonyaulax. 



80 



