15 



Figure 3.8: Boron Concentration for 2000 Grab Samples from East Poplar River at 

 International Boundary 



^ 1-8 

 S 1.6 



►-2^1 



♦ 1.88 



♦ 1.89 



-♦4^1- 



♦ 1.74 



♦ 1.69 



♦ 1.65 



1.57 ^,.55 



0.8 



♦ 1.46 



♦ 0.961 



1.85 



Figure 3.9: Three-Month Moving Flow-Weighted Boron Concentration for East Poplar 

 River at International Boundary 



3.5 



3 - 



2.5 — 



1.5 ■ 



0.5 - 



0)0}&>D>D)fi}fl)Q)0}Q> 



CO O -» 



S 2 





03 (0 (O CO 09 



-* ro w ^ oi 



8 2 



