4.0 



^ G S 



3.5 



3.0 



2.5 



2.0 



S I 



1.0 



GS 



0.5 



S I 



6,7 14.1 23.9 36.2 



Suspended Solids Concentration (g i"') 



Figure C-5. Relative accumulation of solids in white perch exposed to 

 graded concentrations of natural Patuxent River mud for 

 24 hours (G = gill, S = stomach, I = intestine). 



73 



