TABLE 1

Dose Rates of 18F Vial and 18F Cylinder in Air

Distance (m)Vial dose rate (μGy/h/370 MBq)Cylinder dose rate (μGy/h/370 MBq)Cylinder/vial dose-rate ratio
0.103,6862,6620.72
0.502261500.66
1.0063.338.00.60
1.5030.517.20.56
2.0014.310.10.71
2.509.326.500.70
3.006.254.510.72
3.504.852.900.60
4.003.932.470.63
4.503.271.670.51
5.002.551.290.51
5.501.800.860.48