| Yang Boyun,Zhu Jianwen,Zhu Yongkang,et al.Evaluation of level of personaol external exposure dose to radiation staffs in Shanghai during 1990-1994[J].Chinese Journal of Radiological Medicine and Protection,1996,16(4):264-267 |
| Evaluation of level of personaol external exposure dose to radiation staffs in Shanghai during 1990-1994 |
| Received:October 05, 1995 Revised:February 18, 1996 |
| DOI： |
| KeyWords:Individual dose equivalent |
| FundProject: |
| Author Name | Affiliation | | Yang Boyun | Shanghai Sanitary-Epidemiologicalstation, shanghai, 200335 | | Zhu Jianwen | Shanghai Sanitary-Epidemiologicalstation, shanghai, 200335 | | Zhu Yongkang | Shanghai Sanitary-Epidemiologicalstation, shanghai, 200335 | | Shen Jinfu | Shanghai Sanitary-Epidemiologicalstation, shanghai, 200335 | | Chen Lifang | Shanghai Sanitary-Epidemiologicalstation, shanghai, 200335 | | 沈跃芳 | Shanghai Sanitary-Epidemiologicalstation, shanghai, 200335 |
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| Abstract:: |
| Anew method used for estimating several parameters of personal dose monitoring of radiation staffs,which were recommended by the UNSCEAR in 1982(the individual annual average dose equivalent,the annual collective dose equivalent and the ratio of the annual collective dose eqaivalent delivered at individual dose exceeding 15 mGy per year to the total annual collective dose),MR15 was proposed and has been employed to evaluate the level of the personal external exposure dose to radiation staff in Shanghai.The annual average dose equivalent for radiation workers was 0.40-0.404mSv,which was less than 1/10 of the national criterion(5mSv);however,the person-times exposed to more than 3/10 of the criterion were 116,MR15 being 0.01-0.49.328 person-times surpassed the investigation level(the limit value of the monthly dose is 1.20mSv).Those people were specially paid visits and“true”or“false”was identified in detail.Moreover,both personal protective measures and other aspects to be improved were suggested.The key points of the improvement in personal protection and of personal dose monitoring were commented. |
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