3.1. Assessment of Method
Accuracy and precision were measured using spiked b- lood samples. Baseline blood was taken from a non-fish eater and estimated to contain 0.122 μg/L mercury after five sample runs. This blood was used as a baseline to represent the low anchor of the range of expected human blood mercury concentrations. Aliquots of the baseline blood were spiked at five concentrations using a standard mercury solution; the mean, standard deviation, and cal-culated errors in precision and accuracy are shown in Table 1.