Measured and Calculated Dose Rates of 18F Vial Shielded with 5.08-cm-Thick Lead
| Distance (m) | Measured dose rate (μGy/h/370 MBq) | Calculated dose rate* (μGy/h/370 MBq) | Measured/calculated dose-rate ratio |
|---|---|---|---|
| 0.50 | 4.53 | 0.0403 | 112 |
| 1.00 | 2.48 | 0.0101 | 246 |
| 1.50 | 1.39 | 0.0045 | 311 |
| 2.00 | 0.56 | 0.0025 | 222 |
↵* Calculated using Equation 1 with I0 the in-air dose rate given by Equation 3 for same distance.