9* 90* 48- 



SO* SS* ao" 49* 



SECTION E NO2-N 

 9476 75 74 73 72 



LEGEND 



I I O- 0.10 pgA/i 



I I 0.10-0.20 

 0.20- 0.30 



0.30-0.40 



OVER 0.40 



40 



Figure 1. Vertical distribution of nitrite-nitrogen, sections E, E, G, and H. 



