48 
w $ 
N (eo) 
Concentration of Fuller's Earth (g vm) 
™M 
psy 
(e) l2 24 36 48 60 
Exposure Time (h) 
Figure 6. LCjq and LCsg values for white perch at 12-, 20-, 24-, and 
48-hour exposures to suspensions of fuller's earth. 
2| 
