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Workload limits in Gy/week for the occupied areas in the floor below the Mobetron as a function of concrete thickness. All calculations were made assuming an occupancy factor of unity.
| Floor Below | Distance to Non‐controlled Occupied Area (cm) | ||||
|---|---|---|---|---|---|
| Concrete (cm) | 200 | 300 | 400 | 500 | 600 |
| 15 | 30 | 70 | 130 | 200 | 290 |
| 25 | 50 | 120 | 220 | 340 | 490 |
