Observed Concentration(ng/ml) Parameter HQC LQC Average Conc. 3595.66 23.952 Standard Deviation 5.4635 0.7881 CV (Precision %) 0.2 3.3 Nominal Conc. 3605.58 25.181 Accuracy (%) 99.7 95.1

Table 5: Results for reinjection reproducibility.