10 



Figure 3.3: TDS Concentrations for 1995 Grab Samples from 

 East Poplar River at the International Boundary 



1400 



1200 



1000 



800 



600 



400 



200 



01 -Jan 02-Mar 01 -May 30-Jun 29-Aug 28-Oct 27-Dec 



31-Jan 01-Apr 31-May 30-Jul 28-Sep 27-Nov 



1995 



Figure 3.4: Three Month Moving Flov\/-Weighted TDS Concentrations for East Poplar 

 River at the International Boundary 



1500 



1000 



, Short-term Objective (1500 mg/L) 



S 500 - 



Time 



— from sample analysis x ^°'^ regression 



