TABLE 37 (Cont'd) 

 Nitrate 



Conversion from micrograms per liter of NO to microgram-atoms per liter of NO--N 



3 ■^ 



Micrograms per 



liter of NO 00 



3 



2100 

 2200 

 2300 

 2U00 

 2500 



2600 

 2700 

 2800 

 2900 

 3000 



NOTE: 



10 



20 



30 



40 



50 



60 



70 



80 



90 



Conversion of values not given directly in the tables are derived 

 by addition. 



99 



