Carbon 14 Urinalysis Intercomparison Program June 2002

Summary

Seven laboratories participated in this intercomparison. The number of participants that obtained mean relative bias and relative precision values of 5% or less are as follows:

SPIKE (Bq/L)	NUMBER OF PARTICIPANTS
(1)    2.90 x 103	3
(2)    1.33 x 104	5
(3)    4.86 x 105	4

The following number of laboratories obtained relative precision values of 5% or less.

SPIKE (Bq/L)	NUMBER OF PARTICIPANTS
(1)    2.90 x 103	3
(2)    1.33 x 104	6
(3)    4.86 x 105	7