1000 r= 



LJJ 



e? 100 

 o 



CO 



n 



!> 10 



o 

 in 



O 



O 



x 1.0 



CO 

 G) 



0.1 



6.5 7.0 



7.5 8.0 8.5 9.0 9.5 

 pH 



Figure 6. Acute toxicity of ammonia to rainbow trout: 

 96-hour LC50 vs. pH. 



132 



