摘要
湖北、湖南、江西、浙江和安徽省石煤储藏量占全国的90%以上.1991～1993年,由国家环保局和中国核工业总公司合作,组织开展了'放射性伴生石煤矿开发和利用对环境影响研究'调查,其中,上述5省石煤矿区环境天然γ辐射剂量测量是该次调查中的主要项目之一.调查结果表明:5省石煤、石煤渣和石煤砖γ辐射剂量率分别为505、378和708 nGy/h;石煤矿区原野、道路和碳化砖房室内γ辐射剂量率分别为201、256和308 nGy/h,约为参考点的3.1、3.3和2.9倍;石煤矿露天和矿井开采场所γ辐射剂量率分别为469和1184 nGy/h.
The bone-coal reserve in the 5 provinces of Hubei, Hunan, Jiangxi, Zhejiang and Anhui accounts to more than 90% of the total in the country. In period of 1991 - 1993, the EPA and CNNC launched the project “Environmental Impact Assessment Study of Development and Use of Radioactivity-asseciated Bone-coal”, including the investigation of natural environmental γ radiation dose rate levels in bone-coal mine areas of these 5 provinces. The investigation results indicate that the γ radiation dose rates in bone-coal, slag and bone-coal brick are 505, 378 and 708 nGy/h, respectively. The γ radiation dose rate in field, road and houses built with carbonized brick are 201, 256 and 308 nGy/h, respectively, about 3.1, 3.3 and 2.9 times those at reference points. The γ radiation dose rates in open-pit mine and working area are 469 and 1 184 nGy/h,respectively.
出处
《辐射防护通讯》
2005年第4期31-35,共5页
Radiation Protection Bulletin
关键词
石煤
石煤渣
石煤渣砖
Γ辐射剂量率
Bone-coal Slag Bone-coal brick γ radiotion dose rate
