Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/220605 |
| 报告编号 | SAND--96-0262 |
| 来源ID | OSTI_ID: 220605 |
| Evaluation of measurement reproducibility using the standard-sites data, 1994 Fernald field characterization demonstration project | |
| Rautman, C.A. | |
| 英文摘要 | The US Department of Energy conducted the 1994 Fernald (Ohio) field characterization demonstration project to evaluate the performance of a group of both industry-standard and proposed alternative technologies in describing the nature and extent of uranium contamination in surficial soils. Detector stability and measurement reproducibility under actual operating conditions encountered in the field is critical to establishing the credibility of the proposed alternative characterization methods. Comparability of measured uranium activities to those reported by conventional, US Environmental Protection Agency (EPA)-certified laboratory methods is also required. The eleven (11) technologies demonstrated included (1) EPA-standard soil sampling and laboratory mass-spectroscopy analyses, and currently-accepted field-screening techniques using (2) sodium-iodide scintillometers, (3) FIDLER low-energy scintillometers, and (4) a field-portable x-ray fluorescence spectrometer. Proposed advanced characterization techniques included (5) alpha-track detectors, (6) a high-energy beta scintillometer, (7) electret ionization chambers, (8) and (9) a high-resolution gamma-ray spectrometer in two different configurations, (10) a field-adapted laser ablation-inductively coupled plasma-atomic emission spectroscopy (ICP-AES) technique, and (11) a long-range alpha detector. Measurement reproducibility and the accuracy of each method were tested by acquiring numerous replicate measurements of total uranium activity at each of two ``standard sites`` located within the main field demonstration area. Meteorological variables including temperature, relative humidity. and 24-hour rainfall quantities were also recorded in conjunction with the standard-sites measurements. |
| 出版年 | 1996 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 54 ENVIRONMENTAL SCIENCES ; 05 NUCLEAR FUELS ; RADIATION DETECTION ; TECHNOLOGY ASSESSMENT ; SITE CHARACTERIZATION ; PERFORMANCE ; SAMPLING ; SOILS ; URANIUM ; CONTAMINATION |
| URL | http://www.osti.gov/scitech/servlets/purl/220605 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/266488 |
| 推荐引用方式 GB/T 7714 | Rautman, C.A.. Evaluation of measurement reproducibility using the standard-sites data, 1994 Fernald field characterization demonstration project,1996. |
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