- 65 



1.2 

 1 

 0.8 

 0.6 

 0.4 t 

 0.2 



d 



Lk. 



4— 

 3/29/86 



°-D-^. 



h 



^ 



Y 





8/11/87 12/23/88 5/7/90 



SAMPLE DATE RANGE 



9/19/91 



Figure 52. — Boron in till piezometers C774B and C775A. 



250 



200 



150 



100 





C775A 

 C774B 



50 t 



3/29/86 8/11/87 12/23/88 5/7/90 



SAMPLE DATE RANGE 



9/19/91 



Figure 53. — Chloride in till piezometers C774B and C775A. 



