30.00 -n 



Q_ 

 CL 



o 



11 



(/) 



CD 



■*-« 

 o 



CD 



20.00 



EVANS U^KE- WET 19 



PPM IN SEDIMENT 

 DETECTION LIMIT 



10.00 



0.00 



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



