40.00 -n 



C/5 



.2 30.00 



LAFOE U\KE - WETSS 



PPM IN SEDIMENT 

 DETECTION LIMITS 



CD 



I- 



' O 



O 



l| 



I CD 

 CO 



Io 



CO 



II 



20.00 



10.00 



0.00 





Cu Sb Be Pb B Cd Mo Cr Co V As Hg Se Ni Zn 



