Levels and Distributions of 210 Pb and 210 Po in Selected Seafood Samples in China and Assessment of Related Dose to Population

Xiangyin Kong, Yuxin Qian, Qishan Zheng and Yanqin Ji
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Xiangyin Kong: China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, Chinese Center for Disease Control and Prevention, National Institute for Radiological Protection, Beijing 100088, China
Yuxin Qian: China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, Chinese Center for Disease Control and Prevention, National Institute for Radiological Protection, Beijing 100088, China
Qishan Zheng: Fujian Center for Prevention and Control of Occupational Diseases and Chemical Poisoning, Fuzhou 350025, China
Yanqin Ji: China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, Chinese Center for Disease Control and Prevention, National Institute for Radiological Protection, Beijing 100088, China

IJERPH, 2021, vol. 18, issue 6, 1-9

Abstract: In this study, the activity concentrations levels of 210 Pb and 210 Po in the edible portions of eight seafood samples collected from the Fujian coast of China were determined. The activity concentrations ranged from 0.74 ± 0.08 to 12.6 ± 1.0 Bq/kg for 210 Po and from the minimum detectable limit (MDL, 0.80 Bq/kg) to 11. 7 ± 1.1 Bq/kg for 210 Pb. The 210 Po activity concentration in all the fish organs ranged from 0.68 to 204 Bq/kg ( w.w. ), and the 210 Po activity was mainly concentrated in the stomach, spleen, heart, liver, gonad, and intestine samples. The 210 Pb activity concentration in all the fish organs ranged from the MDL to 15.2 Bq/kg ( w.w. ), and the 210 Pb activity was concentrated in the head, fish scale, and gill samples. The annual effective ingestion doses ranged from 82.8 to 255 ?Sv/a for all age groups, and the lifetime risk of cancers were estimated. Both the effective ingestion doses and cancer risk to humans were within the acceptable ranges.

Keywords: 210 Pb; 210 Po; activity concentration; seafoods; dose; radiological risk (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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