C3 ■•- 



O •.- 



Figure 3.10: Five-Year Moving Flow-Weighted Average Boron Concentration for East 

 PoplarRiver at the International Boundary (regression-derived data) 



b) 0) 0) 



nJ TO oj 



i^ !^ 



!^ !^ 



i^ !^ 



Figure 3.1 1: Daily Boron Concentration, 1990 to 2005, 

 East Poplar River at the International Boundary (regression-derived data) 



16 



