60.00 



Q. 



c 



'^ 



g 



■'I 



CD 



! ^ 

 o 



,o 



FURNELL WPA - WET22 



PPM IN SEDIMENT 

 DETECTION LIMIT 



40.00 — 





(D 



ll 



<D 

 CO 



CD 



li 



X 



CO 



lO 



20.00 — 



0.00 



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



