Table I.
Maximum dose rates measured at the surface, 2 mm depth, and 6 mm depth. Measurements were made with and without the acrylic insert in place, and also with and without the additional film window.
| Dose rates at various depths | ||||
|---|---|---|---|---|
| Maximum dose rate (cGy/min/Ci) |
Without acrylic collimator Insert |
With acrylic collimator Insert |
||
| Depth | Window | No window | Window | No window |
| Surface | 54 | 121 | 33 | 43 |
| 2 mm depth | 27 | 28 | 24 | 25 |
| 6 mm depth | 16 | 17 | 14 | 15 |