An aerial radiological survey of the Argonne National Laboratory and surrounding area, Argonne, Illinois
Technical Report
·
OSTI ID:10183709
An aerial radiological survey was conducted during the period May 17 through May 26, 1989, over a 32-square-mile (83-square-kilometer) area surrounding the Argonne National Laboratory (ANL) facilities located near Argonne, Illinois. The survey was conducted at a nominal altitude of 150 feet (46 meters) with line spacings of 200 feet (61 meters). A contour map of the terrestrial gamma exposure rate extrapolated to 1 meter above ground level was prepared and overlaid on an aerial photograph and a set of United States Geological Survey topographic maps of the area. The terrestrial exposure rates varied from 7 to 15 microroentgens per hour ({mu}R/h). The highest observed level over the ANL facility buildings was in the contour range of 247 to 512 {mu}R/h. A search of the data for man-made sources of radiation indicated the presence of cobalt-60 and/or cesium-137 over most of the buildings with elevated count rates. Manganese-54 was detected over one of the sites where cobalt-60 was also seen. A comparison of the contour plots from the present survey and the previous surveys was made. How- ever, due to changes in instrumentation since the last survey, a direct comparison is not possible. Soil samples and pressurized ion chamber measurements were obtained at five locations within the survey boundaries to support the aerial data. These data were found to agree with the aerial data.
- Research Organization:
- EG and G Energy Measurements, Inc., Las Vegas, NV (United States). Remote Sensing Lab.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC08-93NV11265
- OSTI ID:
- 10183709
- Report Number(s):
- EGG--11265-1005; ON: DE94019132
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440101
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
54 ENVIRONMENTAL SCIENCES
540230
560101
61 RADIATION PROTECTION AND DOSIMETRY
AERIAL SURVEYING
ANL
CESIUM 137
COBALT 60
DOSIMETRY AND MONITORING
GAMMA RADIATION
GENERAL DETECTORS OR MONITORS AND RADIOMETRIC INSTRUMENTS
HELICOPTERS
MANGANESE 54
MAPPING
MULTI-CHANNEL ANALYZERS
RADIATION MONITORING
RADIOACTIVE MATERIALS MONITORING AND TRANSPORT
RADIOACTIVITY
RADIOMETRIC SURVEYS
REMOTE SENSING
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
54 ENVIRONMENTAL SCIENCES
540230
560101
61 RADIATION PROTECTION AND DOSIMETRY
AERIAL SURVEYING
ANL
CESIUM 137
COBALT 60
DOSIMETRY AND MONITORING
GAMMA RADIATION
GENERAL DETECTORS OR MONITORS AND RADIOMETRIC INSTRUMENTS
HELICOPTERS
MANGANESE 54
MAPPING
MULTI-CHANNEL ANALYZERS
RADIATION MONITORING
RADIOACTIVE MATERIALS MONITORING AND TRANSPORT
RADIOACTIVITY
RADIOMETRIC SURVEYS
REMOTE SENSING