Aerial radiological survey of the Grand Gulf Nuclear Station and surrounding area, Port Gibson, Mississippi. Date of survey: March 1982
Technical Report
·
OSTI ID:6872531
An aerial radiological survey was performed from 11 to 20 March 1982 over a 260-square-kilometer area centered on the Grand Gulf Nuclear Station at Port Gibson, Mississippi (the station was not yet in operation at the time of the survey). All gamma ray data were collected by flying east-west lines spaced 152 meters apart at an altitude 91 meters above ground level. Processed data showed that all gamma rays detected within the survey area were those expected from naturally occurring terrestrial background emitters. Count rates obtained from the aerial platform were converted to exposure rates at 1 meter above the ground and are presented in the form of an isoradiation contour map. The observed exposure rates were between 5 and 13 microroentgens per hour (..mu..R/h), with most of the area ranging from 9 to 10 ..mu..R/h. These values include an estimated cosmic ray contribution of 3.6 ..mu..R/h. The exposure rate obtained from soil samples and ionization chamber measurements taken from within the survey site displayed positive agreement with the aerial data.
- Research Organization:
- EG and G, Inc., Las Vegas, NV (USA). Energy Measurements Group
- DOE Contract Number:
- AC08-76NV01183
- OSTI ID:
- 6872531
- Report Number(s):
- EGG-1183-1834; ON: DE83003931
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220501 -- Nuclear Reactor Technology-- Environmental Aspects-- Siting
500300* -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AERIAL MONITORING
BACKGROUND RADIATION
BWR TYPE REACTORS
COMPARATIVE EVALUATIONS
DETECTION
ELECTROMAGNETIC RADIATION
ENRICHED URANIUM REACTORS
GAMMA DETECTION
GAMMA RADIATION
GRAND GULF-1 REACTOR
GRAND GULF-2 REACTOR
IONIZING RADIATIONS
MAPS
MONITORING
NATURAL RADIOACTIVITY
POWER REACTORS
RADIATION DETECTION
RADIATIONS
RADIOACTIVITY
REACTORS
SOILS
WATER COOLED REACTORS
WATER MODERATED REACTORS
220501 -- Nuclear Reactor Technology-- Environmental Aspects-- Siting
500300* -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AERIAL MONITORING
BACKGROUND RADIATION
BWR TYPE REACTORS
COMPARATIVE EVALUATIONS
DETECTION
ELECTROMAGNETIC RADIATION
ENRICHED URANIUM REACTORS
GAMMA DETECTION
GAMMA RADIATION
GRAND GULF-1 REACTOR
GRAND GULF-2 REACTOR
IONIZING RADIATIONS
MAPS
MONITORING
NATURAL RADIOACTIVITY
POWER REACTORS
RADIATION DETECTION
RADIATIONS
RADIOACTIVITY
REACTORS
SOILS
WATER COOLED REACTORS
WATER MODERATED REACTORS