STATION 7 



OBSERVED 



PO^-P 

 (ug at/1) 



N0^-N0 2 

 (ug at/1) 



ARABINOSE 

 (mg/1) 



TYROSINE 

 (mg/1) 



0.0 

 <0.1 



0.3 



0.0 

 0.2 



0.3 

 0.2 

 0.1 



0.5 

 0.8 

 1.1 



INTERPOLATED 





 10 

 20 

 30 

 50 



75 

 100 

 150 

 200 

 250 

 300 

 4oo 

 500 



0.0 



<0.1 



0.3 



0.2 

 0.0 

 0.1 

 0.2 



0.3 

 0.2 

 0.1 



0.5 

 0.8 

 1.1 



86 



