100 







— ^ 



/ 



/ 



A 

 / 



0.01 mg /I . 



I J 



0.02mg/ll a'^^' 



/ • 0.01 mg /I 



1/ 



y^ ^ 0.05 mg/l ,^. 



-/ o— —/°"V7:«' ^0.03mg/l 



•* I /i n-^^n"""! I I I I I I I \ L 



/ 



-»o 



10 14 18 



TIME, days 



22 



26 



30 



2.0 



> 



< 1.5 



DC 



o 



\- 



LU 

 O 

 QC 



LU 

 Q_ 



O 



1.0 



0.5 







Figure 5. 



0.5 1.0 1.5 



LOG TIME, days 



Graphical determination of acceptable concentrations of 

 trimethyl tin chloride for Daphnia magna . 



153 



