40.00 



.9 30.00 — 



20.00 



-G 10.00 



0.00 



SANDS WPA - WET61 



PPM IN SEDIMENT 

 DETECTION LIMIT 



I i I I 



Cu Sb Be Pb 



I I I 



I I I I I I 

 Cd Mo Cr Co V As Hg Se Ni Zn 



