Abstract
Diet samples were collected to estimate dietary intakes of 232Th, 238U, cesium, and strontium for Vietnamese adults using duplicate portion studies and market basket studies. Average concentrations of 232Th, 238U, cesium, and strontium in diet samples were 4.0 ng/g-dry, 2.5 ng/g-dry, 41 ng/g-dry, and 4.5 ng/g-dry, respectively. Daily intakes per person for 232Th, 238U, cesium, and strontium were estimated to be 0.99 microg, 0.66 microg, 10 microg, and 1.2 mg, respectively. Daily intakes of 232Th, 238U, and cesium differed statistically between northern and southern of Vietnam, depending on geological conditions and food habits. However, intakes of the four nuclides were similar to the global averages.
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