Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/95209 |
| 报告编号 | WSRC-TR--94-0391 |
| 来源ID | OSTI_ID: 95209 |
| Radiological bioconcentration factors for aquatic, terrestrial, and wetland ecosystems at the Savannah River Site | |
| Cummins, C.L. | |
| 英文摘要 | As a result of operations at the Savannah River Site (SRS), over 50 radionuclides have been released to the atmosphere and to onsite streams and seepage basins. Now, many of these radionuclides are available to aquatic and/or terrestrial organisms for uptake and cycling through the food chain. Knowledge about the uptake and cycling of these radionuclides is now crucial in evaluating waste management and clean-up alternatives for the site. Numerous studies have been conducted at the SRS over the past forty years to study the uptake and distribution of radionuclides in the Savannah River Site environment. In many instances, bioconcentration factors have been calculated to quantify the uptake of a radionuclide by an organism from the surrounding medium (i.e., soil or water). In the past, it has been common practice to use bioconcentration factors from the literature because site-specific data were not readily available. However, because of the variability of bioconcentration factors due to experimental or environmental conditions, site-specific data should be used when available. This report compiles and summarizes site-specific bioconcentration factors for selected radionuclides released at the Savannah River Site (SRS). An extensive literature search yielded site-specific bioconcentration factors for cesium, strontium, cobalt, plutonium, americium, curium, and tritium. These eight radionuclides have been the primary radionuclides studied at SRS because of their long half lives or because they are major contributors to radiological dose from exposure. For most radionuclides, it was determined that the site-specific bioconcentration factors were higher than those reported in literature. This report also summarizes some conditions that affect radionuclide bioavailability to and bioconcentration by aquatic and terrestrial organisms. |
| 出版年 | 1994 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 05 NUCLEAR FUELS ; 56 BIOLOGY AND MEDICINE, APPLIED STUDIES ; SAVANNAH RIVER PLANT ; CONTAMINATION ; FOOD CHAINS ; CESIUM ISOTOPES ; BIOLOGICAL ACCUMULATION ; STRONTIUM ISOTOPES ; COBALT ISOTOPES ; PLUTONIUM ; AMERICIUM ; CURIUM ; TRITIUM ; BIOLOGICAL AVAILABILITY ; COMPILED DATA ; REMEDIAL ACTION |
| URL | http://www.osti.gov/scitech/servlets/purl/95209 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/265823 |
| 推荐引用方式 GB/T 7714 | Cummins, C.L.. Radiological bioconcentration factors for aquatic, terrestrial, and wetland ecosystems at the Savannah River Site,1994. |
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