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Annual Site Environmental Report for 1999
Table 4.1 Total Uranium Concentration in DOE Outfalls for 1999
Concentration
Outfall
No. of
Samples
(mgIL)
(pCi/L)a
Min. Max. Avg. Avg.
%23SU
%of
DCOb
001
4 0:001 0.073 0;029 15.1 0.47
2.5
015
4 0.085 0.260 0.185 88.1 0.40
14.7
017
4 0.001 0.007 0.004 2.3 0.55 c
0.3
019
2 0.001 0.001 0.001 0.7 0.76 d
0.1
a 1 pCiIL = 0.037 BqIL
b Dca for uranium is 600 pCiIL
c Insufficient uranium quantities to analyze for assay, assay
based on past data
d Insufficient uranium quantities to analyze for assay, natural
uranium used as assay
89
Table 4.2 Tc Concentration In DOE Outfalls for 1999
Concentration
No. of (pCi/L)a %of
Outfall Samples DCa b
Min. Max. Avg.
001 4 24 14 0.014
015 3 27 90 53 0;053
017 4 28 12 0;012
Oi9 13 13 13 .013
a 1 pCi/L = 0.037 BqIL
b DCa for 99Tc is 100,000 pCiIL
Radiological Effluent Monitoring 4-5