An aerial radiological survey of the area surrounding the Robert Emmett Ginna Nuclear Power Plant, Ontario, New York PDF Download

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An aerial radiological survey of the area surrounding the Robert Emmett Ginna Nuclear Power Plant, Ontario, New York

Author:
Publisher:
ISBN:
Category : Gamma ray spectrometry
Languages : en
Pages : 21

Book Description

An Aerial Radiological Survey of the Robert Emmett Ginna Nuclear Power Plant and Surrounding Area, Ontario, New York

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 34

Book Description
Terrestrial radioactivity surrounding the Robert Emmett Ginna Nuclear Power Plant was measured using aerial radiological surveying techniques. The purpose of this survey was to document exposure rates near the plant and to identify unexpected, man-made radiation sources within the survey area. The surveyed area included land areas within a three-mile radius of the plant site. Data were acquired using an airborne detection system that employed sodium iodide, thallium-activated detectors. Exposure-rate and photopeak counts were computed from these data and plotted on aerial photographs of the survey area. Several ground-based exposure measurements were made for comparison with the aerial survey results. Exposure rates in the area surrounding the plant site varied from 6 to 10 microroentgens per hour. Man-made radiation (cobalt-60 within the plant site and cesium-1 37 directly over the reactor) was found at the plant site. In addition, small areas of suspected cesium-137 activity were found within the survey areas. Other than these small sites, the survey area was free of man-made radioac- tivity.