Radiological Assessment of Primordial Radionuclides in Crab Species from Igbokoda River in Southwest of Nigeria

Communication in Physical Sciences

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Title Radiological Assessment of Primordial Radionuclides in Crab Species from Igbokoda River in Southwest of Nigeria
Creator Olusegun Sowole
Adesoji A. R. Adebambo
Subject Radionuclides
gamma spectrometry
dose rate
cancer risk
Description Communication in Physical Sciences, 2021, 7(1): 1-7
Authors: Olusegun  Sowole* and  Adesoji A. R. Adebambo
Received 30 January 2021/Accepted 11 February 2021
Primordial radionuclides are natural radionuclides of specific half-lives that are capable of disintegrating with the release of ionizing radiations along with huge amount of energy which can be so harmful to living organisms. Activity concentrations and radiological indices of 40K, 226Ra and 228Ra in crab species from Igbokoda River in the coastal area of South Western Nigeria, have been determined using gamma spectrometry method. Twenty (20) samples of three different species (Callinectes latimanus, Callinectes amnicola and Cadiosoma armatum) of crabs were collected from the River. The results obtained indicated that the highest dose rates of 40K, 226Ra and 228Ra were associated with Callinectes latimanus while the highest annual committed effective dose of 40K to man was 0.0026mSvyr-1 and was associated with Callinectes latimanus for 226Ra (0.0068mSvyr-1) and 228Ra (0.0208mSvyr-1). The highest excess lifetime cancer risk associated with 40K, 226Ra and 228Ra 0.0237 x 10-3 0.0728 x 10-3. All the values obtained were within the limits recommended globally; indicating that there was no significant radiological health implication to the aquatic animals and man the consumer
Publisher University Of Nigeria Nsukka
Date 2021-02-16
Type info:eu-repo/semantics/article
Format application/pdf
Source Communication in Physical Sciences; Vol. 7 No. 1 (2021): VOLUME 7
Language eng
Rights Copyright (c) 2010 The Journal and the author

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