57 



0.4 



0.3 



1 ,000 



C3) 



E 



0.2 



O 



o 



0.1 



600 -^ 



M M M M 

 83 I 84 I 85 I 86 



M M M 

 87 I 88 I 89 



M 

 90 



M 

 91 



J 



o 



Figure 7.4 Lagoon Water Quality Data for Chromium and Polishing Pond Volume, 

 198310 1991. 



■POLISHING POND-F 

 — POLISHING POND-VOLUME 

 *<- POLISHING POND-Mo 



Q4^K^c»>»<-»»»>^-»r^ 



1,000 



800 



600 -ST 



400 



200 



MMMMMMMMM 

 83 I 84 I 85 1 86 I 87 I 88 I 89 I 90 I 91 



Figure 7.5 Lagoon Water Quality Data for Fluoride, Molybdenum and Polishing 

 Pond Volume, 1983 to 1991. 



