Radioactivity in drinking water supplies in Western Australia

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Radioactivity in drinking water supplies in Western Australia.

Radiochemical analysis was carried out on 52 drinking water samples taken from public outlets in the southwest of Western Australia. All samples were analysed for Ra-226, Ra-228 and Pb-210. Twenty five of the samples were also analysed for Po-210, and 23 were analysed for U-234 and U-238. Ra-228 was found in 45 samples and the activity ranged from <4.000 to 296.1 mBq L(-1). Ra-226 was detected ...

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Mycobacterium lentiflavum, a slow-growing nontuberculous mycobacterium, is a rare cause of human disease. It has been isolated from environmental samples worldwide. To assess the clinical significance of M. lentiflavum isolates reported to the Queensland Tuberculosis Control Centre, Australia, during 2001-2008, we explored the genotypic similarity and geographic relationship between isolates fr...

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Radioactivity in some sachet drinking water samples produced in Nigeria

Background: Activity concentrations of 40K, 226Ra and 228Ra were measured in some sachet drinking water samples produced in Nigeria. Materials and Methods: The measurement was done by using high-purity germanium (HPGe) detector (Canberra Industries Inc.). The measured activity concentrations for 226Ra (U-series) and 228Ra (Thseries) were used with their ingested dose conversion factors ...

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Natural Radioactivity of Drinking Water Resources in Arak, Iran

The activity concentrations of 235U, 232Th, 226Ra, 40K and 137Cs in ground and surface of drinking water resources in Iranian city of Arak were determined by gamma ray spectrometry with aHPGe detector setup, coaxial p type and 8192 channels MCA. The water samples differed in radioactivity content depending on their origin and place. In the ...

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Radioactivity monitoring in drinking water of Zahedan, Iran

Background: The present research has focused on the effect of radioactivity on drinking water from five sites in the region of Zahedan city. Materials and Methods: The measurement of water activity in wells, river and spring has been used as a screening method. The determination of gamma emitters was performed by use the application of gamma spectrometry. Results: The values of Radium concentra...

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ژورنال

عنوان ژورنال: Journal of Environmental Radioactivity

سال: 2014

ISSN: 0265-931X

DOI: 10.1016/j.jenvrad.2013.12.016