OTHER 
SOURCES 
WATER 
y^WW'W^WW 
.\NN\\\\\\\N\\ 
»N\S\\\ \ N^Ps * 
DISCHARGE 
O 
0 \\\N\\\\\\N\' 
\S\\\\NN\SN\\ 
S\\N\N\\ \ \ S \ \ 
\N' \ \N\\\N SW\ \ \ \ 
• •V»v f ^ f // / f f f / 
Y/i NNN\NN\N\\\NS 
W / y y^ • # y y y y y y^ 
5 YEARS 
1 DISCHARGE 
ACTIVE 
Figure 2. Schematic of sediment accumulation and mixing over time at a 
site before and after source control of a contaminated discharge. 
69 
