16 



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

 at International Boundary 



2.5 



& 1.5 



0.5 



sf >/ ^*0 ^-2?^ >,^0 v,*^ ^*0 v,*^ ^*^ >,*<> >?^0 >;e.O v,*0 >,*^ v,*0 v,# ^-zJ^ v.-J.^ ^-2.^ >,*<> ^^^ ^^^ >,*<> v,*0 ^,*0 ^^^ >,*<> >,*<> ^^O 



Figure 3.11: Daily Boron Concentration, 1990 to 2001; East Poplar River at international 

 Boundary (regression-deri\«d data) 



0.00 



J" J^P Ji^ <i^ ^ ^ ^ ^ ^^ J' ^ 4> ^ <#> ^ ^ ^ <§> ^ ^ ^ # pN o^ jJV 



