Distribution of tritium concentration in the 0–25 cm surface soil of cultivated and uncultivated soil around the Qinshan nuclear power plant in China

Guo, Feng; Wang, Weifeng; Feng, Yu; Shen, Huolin

doi:10.1016/j.apradiso.2020.109311

Cited by 10 publications

(5 citation statements)

References 29 publications

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“…We suspect the potential additional radioactive input in 2016 is from a local source. It was reported that the two units in Fangjiashan NPP (FJSNPP) as an expansion of Phase I in QNPP, were put into operation in December 2014 and February 2015, respectively 10 . The commencement of the two units could potentially introduce increased release of 137 Cs and 90 Sr to some extent.…”

Section: Resultsmentioning

confidence: 99%

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Long-term variation of 90Sr and 137Cs in environmental and food samples around Qinshan nuclear power plant, China

Cao

Zhao²,

Wang

et al. 2021

Sci Rep

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Environmental radioactivity monitoring in the surroundings of nuclear facilities is important to provide baseline data for effective detection in case of any radioactive release in the region. In this work, we report for the first time the long-term monitoring data of 137Cs and 90Sr in environmental and food samples around Qinshan nuclear power plant in 2012–2019. The distribution levels, temporal variations and source terms of 137Cs and 90Sr in the investigated samples were discussed. The annual effective dose (AED) for the local population from the ingestion of foods was also evaluated. Peak values of 90Sr and 137Cs concentrations and 137Cs/90Sr activity ratio were observed in total atmospheric deposition in 2016 and some water and food samples in the following years. This seems to be associated to an additional radioactive input, mostly likely from the operational release of a local facility. This demonstrates that 90Sr and 137Cs, especially the 137Cs/90Sr activity ratio, are sensitive indicators for detecting potential radioactive releases. Nevertheless, overall 90Sr and 137Cs activity concentrations measured during 2012–2019 in this work were at the background levels with average AED far below the internationally permissible limit and recommendation.

show abstract

Section: Resultsmentioning

confidence: 99%

“…6.5 GW. Artificial radionuclides such as 3 H and 14 C in the vicinity of QNPP have been investigated to a very limited extend during the past decades 9 , 10 . Studies on primary fission products in environmental and foods samples, especially long-term systematic studies have not been reported so far.…”

Section: Introductionmentioning

confidence: 99%

Long-term variation of 90Sr and 137Cs in environmental and food samples around Qinshan nuclear power plant, China

Cao

Zhao²,

Wang

et al. 2021

Sci Rep

View full text Add to dashboard Cite

show abstract

“…We suspect the potential additional radioactive input in 2016 is from a local source. It was reported that the two units in Fangjiashan NPP (FJSNPP) as an expansion of Phase I in QNPP, were put into operation in December 2014 and February 2015, respectively [10] . The commencement of the two units could potentially introduce to some extent increased release of 137 Cs and 90 Sr.…”

Section: Source Term Identi Cation Via 137 Cs/ 90 Sr Activity Ratiomentioning

confidence: 99%

“…6.5 GW. Arti cial radionuclides such as 3 H and 14 C in the vicinity of QNPP have been investigated to a very limited extend during the past decades [9,10] . Studies on primary ssion products in environmental and foods samples, especially long-term systematic studies have not been reported so far.…”

Section: Introductionmentioning

confidence: 99%

Levels, Variations and Sources of 90sr and 137cs in Environmental and Food Samples Around Qinshan Nuclear Power Plant, China in 2012-2019

Cao

Zhao²,

Lou

et al. 2021

Preprint

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Environmental radioactivity monitoring in the surroundings of nuclear facilities is important to provide baseline data for effective detection in case of any radioactive release in the region. In this work, we report for the first time the long-term monitoring data of 137Cs and 90Sr in environmental and food samples around Qinshan Nuclear Power Plant (QNPP) in 2012-2019. The distribution levels, temporal variations and source terms of 137Cs and 90Sr in the investigated samples were discussed. The annual effective dose (AED) for the local population from the ingestion of foods was also evaluated. Peak values of 90Sr and 137Cs concentrations and 137Cs/90Sr radioactivity ratio were observed in total atmospheric deposition in 2016 and some water and food samples in the following years. This seems to be associated to an additional radioactive input, mostly likely from the operational release of a local facility. This demonstrates that 90Sr and 137Cs, especially the 137Cs/90Sr activity ratio, are sensitive indicators for detecting potential radioactive releases. Nevertheless, overall 90Sr and 137Cs activity concentrations measured during 2012-2019 in this work were at the background levels with average AED far below the internationally permissible limit and recommendation.

show abstract

“…Nuclear power plants worldwide produce approximately 1.1 × 10 15 Bq/a 14 C, of which all operating nuclear power plants emit approximately 1.1 × 10 14 Bq/a 14 C into the atmosphere in gaseous form, and reprocessing plants emit approximately 3.7 × 10 14 Bq/a 14 C into the atmosphere in both gaseous and liquid forms ( Charles, 2001 ). Given the development of nuclear energy, the amount of 3 H and 14 C released into the environment may increase ( Guo et al, 2020 , Wu et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Determination and human health risk assessment of TFWT, OBT and carbon-14 in seafood around Qinshan Nuclear Power Plant

Ma,

Cao,

Zheng

et al. 2024

Food Chemistry: X

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Distribution of tritium concentration in the 0–25 cm surface soil of cultivated and uncultivated soil around the Qinshan nuclear power plant in China

Cited by 10 publications

References 29 publications

Long-term variation of 90Sr and 137Cs in environmental and food samples around Qinshan nuclear power plant, China

Long-term variation of 90Sr and 137Cs in environmental and food samples around Qinshan nuclear power plant, China

Levels, Variations and Sources of 90sr and 137cs in Environmental and Food Samples Around Qinshan Nuclear Power Plant, China in 2012-2019

Determination and human health risk assessment of TFWT, OBT and carbon-14 in seafood around Qinshan Nuclear Power Plant

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