19 - 



Data Comparison 



Quality control sampling was carried out on June 11, 1985, during which 

 triplicate samples were collected by Environment Canada and the United 

 States Geological Survey (Table 4). 



Table 4 



Data Comparison, June 11, 1985 Sampling Trip 

 (units are mg/L) 



Significantly differing TDS and Boron results for the June samples gave 

 rise to a second quality control sampling, which was carried out on 

 December 17, 1985. 



Samples from the December exercise were split and sent to different labs. 

 Canadian samples were sent to the Saskatchewan Research Council (SRC), and 

 to the Environment Canada Regional (EC-REG) and National laboratories 

 (EC-NAT). 



