57 



112 113 

 110 - 112 



110 112 



112 113 



103 106 



105 107 



107 109 



112 113 



113 115 



^ Ice Harbor monitoring sites located 3.6 miles downstream on the 

 north bank and 7.6 miles downstream on the south bank. 



Table 4 . Dissolved gas data presented as the average of the 

 highest 12 hourly readings per day measured at forebay 

 monitor sites and at Warrendale and Skamania. Data are in 

 percent TDG. 



Season Average 

 Location May 10-27 Mav 2 8- June 19 Mav 10- June 19 

 LGR Forebay 104 103 104 



LGS Forebay 109 107 " ■ 108 



LMN Forebay 113 • 108 110 



IHR Forebay 113 109 111 



MCN OR Forebay 115 112 . 113 



MCN WA Forebay 115 111 113 



TDA Forebay 111 106 109 



BONN Forebay 113 108 110 



Warrendale 115 113 ■ 114 



Skamania 118 114 116 



