According to GB18871-2002 regulations, the limit of annual effective dose equivalent of accelerator staff is 20mSv.The objective of the annual effective dose of accelerator staff of this project is less than 5mSv.The standard of dose management in this project is shown in the following table.
1. Dose management standard
| Category of personnel | Annual dose limit, mSv/a | Occupancy factor | Occupancy time, h |
| Accelerator staff | 5 | 1 | 3000 |
| Neighbouring regional staff | 1.2 | 1/4 | 750 |
| Public personnel | 0.1 | accidental | 50 |
2.Typical dose data of 13 locations.
Staff year (3000h) additional effective dose
| NO. | Additional dose rate | Additional dose rate（nGy/h） | Occupancy factor | Annual additional effective dose（mSv） | ||
| 1 |
Modulator room (second layer) |
11.1 | 1 | — | 33.3 | — |
| 2 | Preparation room (second layer)） | 2.9 | 1 | — | 8.7 | — |
| 3 | Labyrinth exit (first floor) | 19.3 | 1/4 | 1/4 | 14.5 | 14.5 |
| 4 | Water cooling room (first floor) | 8.6 | 1/16 | — | 1.61 | — |
| 5 | Office (first floor) | 13.8 | 1 | — | 41.4 | — |
| 6 | Outside wall of radiation Hall | 17.4 | — | 1/16 | — | 3.26 |
| 7 | Product inlet (first layer) | 30.5 | 1 | — | 91.5 | — |
| 8 | Product outlet (first layer) | 10.2 | 1 | — | 30.6 | — |
| 9 | Storehouse (first floor) | 20.8 | 1/4 | — | 15.6 | — |
