Activity (GBq) MIRD Dose (Gy) Convolution Dose (Gy) Percent Difference 0.7 68.1 69.2 +1.6% 0.2 19.5 19.8 +1.7% 0.1 9.73 9.9 +1.5%

Table 2: Comparison of calculated phantom dose to expected dose varying activity.