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DOI	10.2172/10196089
报告编号	UCRL-ID--115047
来源ID	OSTI_ID: 10196089
	Area 11 case study of radionuclide movement by storm channel erosion: A baseline method and initial evaluation
	Shinn, J.H.; Gouveia, F.J.; Patton, S.E.; Fry, C.O.
英文摘要	At the Nevada Test Site (NTS), where radionuclide contamination is found in surface soils, there is potential for water erosion to move radionuclides beyond the boundaries of controlled areas and into channels cut by infrequent storms. This loss of control and the increased risk of further movement are issues which require the development of a method for the quantitative monitoring of contamination and calculation of the radionuclide-movement rate. In this report the authors develop a method which is used to measure the amount and rate of movement of americium-241 ({sup 241}Am) in a storm channel, and which offers special features for establishment of baseline concentrations. This method was applied to the standing problem of the erosion of the plutonium contaminated {open_quotes}ground zero{close_quotes} area of site {open_quotes}11D{close_quotes} in Area 11 of NTS. By establishing {sup 241}Am concentrations in the storm channel, the concentrations of {sup 239+240}Pu can also be calculated using a previously determined {sup 239+240}Pu/{sup 241}Am ratio from soil samples collected in Area 11. The method utilizes systematic field surveys with a field instrument for detection of low-energy radiation (FIDLER), and provides a computational method which, when validated, could become a standard procedure for monitoring radionuclide movement in the washes and storm channels throughout the NTS.
出版年	1993
报告类型	Technical Report
语种	英语
国家	美国
来源学科分类	54 ENVIRONMENTAL SCIENCES ; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ; AMERICIUM 241 ; RADIONUCLIDE MIGRATION ; NEVADA TEST SITE ; EROSION ; MONITORING ; SURFACE WATERS ; ENVIRONMENTAL TRANSPORT ; PLUTONIUM ; STORMS ; SOILS ; FIELD TESTS ; RADIATION DETECTORS 540330 ; 540230 ; 440102 ; RADIOACTIVE MATERIALS MONITORING AND TRANSPORT ; RADIOACTIVE MATERIALS MONITORING AND TRANSPORT ; RADIATION DOSEMETERS
URL	http://www.osti.gov/scitech/servlets/purl/10196089
资源类型	科技报告
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/265072
推荐引用方式 GB/T 7714	Shinn, J.H.,Gouveia, F.J.,Patton, S.E.,et al. Area 11 case study of radionuclide movement by storm channel erosion: A baseline method and initial evaluation,1993.