2.50 



2.00 - 



E 



" ■'•88 ^ 1.84 



#-1:97 



♦189 ^184 ^- ♦I.SS ♦1-91 ♦1-89 «' 



1.50 



> 1.00 



0.50 



0.00 



♦ 1.72 



Jl JL55 



♦1.37 



Legend: 1.37 Grab- Sample Data 



1.90 



Figure 3.8: Monthly Mean Boron Concentration for 2005 - Derived from Water-Quality 



Sanples or Average Mid-month Conductance Data Collected by Specific Conductance 



Monitor at East Poplar River at the International Boundary 



Short-t arm Ob jective 



0.5 





^/^ 



■ Water-quality sample derived data 

 Regression derived data 



ON a 



^ t- 00 ^ 



O^ O^ 0\ O^ 



W c3 c9 ty 



K Tt, Xi 



9 9 9 



Figure 3.9: Three-Month Moving Flow-Weighted A\erage Boron Concentration in 

 2005 for East Poplar River at the International Boundary 



15 



