1 - paducah environmental information center

Annual Site Environmental Report for 1999
Average Uranium Concentration
1.2
1
0.8
t 0;6
OA
0.2
0
1995 1996 1997 1998 1999 DCG
I
Year
tm Outfall 001 ~ Outfall 015 ~ Outfall 017 0 Outfall 019 I
Figure 4.3 Uranium concentrations discharged to surface water, 1995 -1999.
Note: Outfalls 001 and 015 were leased to USEC from 1995 to 1996; therefore, no data is provided.
(DCG for Uranium is 1 mg/L at 0.7% assay.)
Average Technetium Concentration
100,000 ..... C--------------~------r-r----.
98,000 tt:::===:::::::::-==========::--:::=====---~
1,200 -
--'--1
i----j
1,000 !-----'
800 r--
..J
-(3 600 r--
a.
400 I----
200 r--
0
1995 1996 1997 1998 1999 DCG -
Year
-~
10 Outfall 001 m Outfall 015 ill Outfall 017 mI Outfall 0191
Figure 4.4 Technetium concentrations discharged to surface water, 1995 -1999.
Note: Outfalls 001 and 015 were leased to USEC from 1995 to 1996; therefore, no data is provided.
Radiological Effh..ient Monitoring 4-7