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Title: Study of environmental gamma radiation in Shillong (Meghalaya)
Authors: Kukreti, B M
Gurve, P K
Sharma, G K
Ramabhadrya, T
Issue Date: Dec-2011
Publisher: NISCAIR-CSIR, India
Abstract: Continuous monitoring of environmental gamma radiation at Shillong (Meghalaya) has been carried out by the Physics laboratory, Atomic Minerals Directorate, North East region, using Environmental Gamma Radiation instrument (IERMON) designed and developed by Bhabha Atomic Research Centre (BARC) Mumbai a constituent unit of Deptt of Atomic Energy. This study is based on the collection and analysis of environmental gamma dose data spanning from January 2007 to August 2010. Environmental Gamma dose equivalent of 1.72mSv per annum has been estimated with a range of 1.37mSv to 1.96 mSv. Using quarterly moving average method, long term trend also indicate annual trend of 1.75 mSv which is in agreement with the estimated annual dose value.
Page(s): 145-148
ISSN: 0975-2412 (Online); 0771-7706 (Print)
Appears in Collections:BVAAP Vol.19(2) [December 2011]

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