Type: Article

Distribution of natural radionuclides and hot points in coasts of Hormozgan, Persian Gulf, Iran

Journal: Journal of Radioanalytical and Nuclear Chemistry (15882780)Year: November 2006Volume: 270Issue: Pages: 319 - 324

Abdi M.^aFaghihian H. Mostajaboddavati M. Hasanzadeh A.Kamali M.^a

a :University of Isfahan - IRAN(IR) - Isfahan

DOI:10.1007/s10967-006-0351-yLanguage: English

Abstract

A reconnaissance study has been made on the distribution of 238U, 232Th, 40K, 137Cs and geochemical features in soil and sediment samples at various locations in the coast of Persian Gulf. Activity concentration levels due to radionuclides were measured in 50 samples of soils and sediments collected from the coast of Hormozgan. From the measured spectra, activity concentrations were determined for 40K (range from 140 to 1172 Bq·kg-1), 137Cs (from 0 to 15 Bq·kg-1), 238U (from 29 to 385 Bq·kg-1) and 2321Th (from 9 to 156 Bq·kg-1) with the lowest limit of detection (LLD) of 68, 3.2, 4.3 and 4.3 Bq·kg-1, respectively. The dose rate from ambient air at the soil ranges was between 23 to 177 nGy·h-1 with an average of 60±7.86 nGy·h-1. © 2006 Akadémiai Kiadó.