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首页> 美国政府科技报告 >Aerial Radiological Survey of the William B. McGuire Nuclear Station and Surrounding Area, Cowans Ford Dam, North Carolina, April 13-24, 1981
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Aerial Radiological Survey of the William B. McGuire Nuclear Station and Surrounding Area, Cowans Ford Dam, North Carolina, April 13-24, 1981

机译：1981年4月13日至24日北卡罗来纳州考恩斯福特大坝William B. mcGuire核电站及周边地区的空中放射性调查

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An aerial radiological survey was performed from 13 to 24 April 1981 over a 235 square kilometer area centered on the William B. McGuire Nuclear Station at Cowans Ford Dam, North Carolina. All gamma-photon data were collected by flying North-South lines spaced 228 meters apart at an altitude of 122 meters above ground level. Processed data showed that all gamma-photons 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 22 microroentgens per hour ( mu R/h), with most of the area ranging from 5 to 9 mu R/h. These values include an estimated cosmic ray contribution of 4.0 mu R/h. The exposure rate obtained from soil samples taken from within the survey site displayed positive agreement with the aerial data. (ERA citation 07:005434)

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