- 85 - 



0.21 



0.20 

 0.19 



o.ie 



9.17 



0.16 



0.12 



ft°' U 

 "" 0.10 



8 0.09 



0.06 



0.07 



0.06 



0.05 



0.04 



0.03 



0.02 



0.01 



0.00 



SASKATOIHIAN ONE HOUR STANDARD 



missis :a'.A 



JFMAHJJASONDJFMAHJjJ. nOHDJFMAHJJASCNDOFMAMJJASONDJt'HAMJJASONP 



Figure 65. — Saskatchewan maximum hourly sulphur dioxide air quality 

 data during 1985-90, Coronach water treatment plant. 



0.065 

 0.060 

 0.055 

 0.050 

 0.045 

 0.040 

 0.035 

 0.030 

 0.025 

 0.020 

 0.015 

 0.010 

 0.005 

 0.000 



SASKATCHEWAN 24 HOUR STANDARD 

 4^- 



A- - ' ' 



ITSSIfiS DAT* 



L l piii]]iJo t !ij; ( J.iiJJiio l JJJjM l A l „ l JjA l JJJJJJjAUjjAUclJ [ ]J^U, 



Figure 66. — Saskatchewan maximum daily sulphur dioxide air quality 

 data during 1986-90, Coronach water treatment plant. 



