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Environmental and Workplace Health

Tritium Urinalysis Intercomparison - May 2007

Table 4. Mean Relative Bias (bjk) by Laboratory and Spike
Spike (Bq/L)
Laboratory
Code
5.01x103
(A1,B6,C3,D3,E6)
1.50x105
(A6,B3,C4,D1,E1)
1.00x106
(A5,B4,C1,D2,E2)
 
1 -0.220   -0.062   -0.056  
 
2 -0.684 * -0.390 * -0.399 *
 
3 -0.080 0.004 0.003
 
4 -0.065 0.020 0.031
 
5 -0.196 -0.096 -0.093
 
6 -0.109 -0.189   -0.198
 
7 0.085 -0.029 -0.018
 
8 -0.178 -0.163 -0.168
 
9 -0.064 -0.014 -0.012  
 
10 -0.152   -0.006   -0.005  
 
11 -0.006 0.064 0.056
 
12 0.051 -0.104 -0.036
 
13 -0.183 -0.104 -0.095
 
14 0.005 -0.003 -0.002