Estimation of the Annual Effective Dose Due to the Ingestion of 210Pb and 210Po in Crops from a Site of Coal Mining and Processing in Southwest China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Site Description
2.2. Analysis Methods
2.3. Dose Calculations
3. Results
3.1. Monitoring Data
3.2. Ingestion Dose Estimation
4. Discussion
4.1. The Correlation of the Radionuclides in Crops and Soils
4.2. Ingestion doses
5. Conclusions
Author Contributions
Funding
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Radionuclides | DF |
---|---|
210Pb | 6.9 × 10−7 |
210Po | 1.2 × 10−6 |
Samples | Points | 238U | 232Th | 226Ra | 40K |
---|---|---|---|---|---|
Coal ores | 5 | 0.06–1.82 | 0.04–0.28 | 0.01–1.65 | 0.15–0.60 |
Residues | 5 | 0.19–3.19 | 0.07–0.26 | 0.18–3.29 | 0.58–1.06 |
Samples | Points | 238U | 226Ra | 210Pb | 210Po | 232Th |
---|---|---|---|---|---|---|
Fly ashes | 1 | 4.80 | 4.73 | 42.9 | 24.3 | 0.13 |
Chemical residues | 3 | 2.10–2.40 | 0.07–5.30 | 12.5–25.3 | 17.9 | 0.01 |
Samples | Points | Total Th (μg/L) | Total U (μg/L) | 226Ra (mBq/L) | 210Po (mBq/L) | 210Pb (mBq/L) |
---|---|---|---|---|---|---|
Contaminated water | 6 | 0.93–2.64 | 1.68–6.78 | 11.5–68.2 | 1.40–7.93 | 49.2–427.7 |
Background | 1 | 0.44 | 0.28 | 3.08 | 7.78 | 1.26 |
Samples | Numbers | 210Pb Average | Range | 210Po Average | Range | Types |
---|---|---|---|---|---|---|
Rice | 2 | 7.26 | 7.25–7.27 | 5.81 | 5.80–5.81 | Cereals |
Wheat | 1 | 1.92 | 1.92 | 2.73 | 2.73 | Cereals |
Corn | 12 | 0.35 | 0.16–1.13 | 0.45 | 0.16–0.81 | Cereals |
Greens | 3 | 4.07 | 2.42–6.42 | 2.19 | 1.74–2.59 | Leafy vegetables |
Plantains | 3 | 1.63 | 1.19–3.42 | 1.32 | 0.80–1.67 | Root vegetables |
VegetativeFood | Cereals | RootVegetables | LeafyVegetables |
---|---|---|---|
(kg·DW/a) | (kg·FW/a) | (kg·FW/a) | |
126.2 | 29.1 | 132.3 |
Villages | Cereal | Root Vegetable | Leafy Vegetable | Total Dose | |||
---|---|---|---|---|---|---|---|
210Pb | 210Po | 210Pb | 210Po | 210Pb | 210Po | ||
MW | 0.167 | 0.412 | 0.010 | 0.013 | 0.059 | 0.036 | 0.697 |
DTH | 0.350 | 0.480 | 0.010 | 0.013 | 0.059 | 0.036 | 0.948 |
SCK | 0.022 | 0.032 | 0.010 | 0.013 | 0.059 | 0.036 | 0.171 |
DQP | 0.064 | 0.024 | 0.013 | 0.017 | 0.059 | 0.036 | 0.213 |
MCD | 0.015 | 0.072 | 0.010 | 0.013 | 0.059 | 0.036 | 0.205 |
DG | 0.019 | 0.066 | 0.010 | 0.013 | 0.059 | 0.036 | 0.203 |
LD | 0.030 | 0.057 | 0.010 | 0.013 | 0.059 | 0.036 | 0.204 |
JZ | 0.022 | 0.080 | 0.010 | 0.013 | 0.059 | 0.036 | 0.219 |
AK | 0.014 | 0.122 | 0.010 | 0.013 | 0.059 | 0.036 | 0.254 |
CHB | 0.014 | 0.115 | 0.010 | 0.013 | 0.059 | 0.036 | 0.246 |
Average | 0.067 | 0.135 | 0.010 | 0.014 | 0.056 | 0.035 | 0.336 |
MTDZ | 0.015 | 0.027 | 0.010 | 0.013 | 0.027 | 0.033 | 0.125 |
Reference Level | Cereal | Leafy Vegetables | Root Vegetables | Total Intake Dose | |||
---|---|---|---|---|---|---|---|
210Pb | 210Po | 210Pb | 210Po | 210Pb | 210Po | mSv/a | |
Bq/kg | Bq/kg | Bq/kg | Bq/kg | Bq/kg | Bq/kg | ||
World | 0.05 | 0.06 | 0.08 | 0.10 | 0.03 | 0.04 | 0.042 |
China | 0.03 | 0.04 | 0.36 | 0.43 | 0.03 | 0.03 | 0.112 |
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Wang, C.; Wu, Q.; Pan, Z.; Liu, S.; Cao, Z.; Yu, Y. Estimation of the Annual Effective Dose Due to the Ingestion of 210Pb and 210Po in Crops from a Site of Coal Mining and Processing in Southwest China. Molecules 2022, 27, 2112. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules27072112
Wang C, Wu Q, Pan Z, Liu S, Cao Z, Yu Y. Estimation of the Annual Effective Dose Due to the Ingestion of 210Pb and 210Po in Crops from a Site of Coal Mining and Processing in Southwest China. Molecules. 2022; 27(7):2112. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules27072112
Chicago/Turabian StyleWang, Chenxiao, Qifan Wu, Ziqiang Pan, Senlin Liu, Zhonggang Cao, and Yilin Yu. 2022. "Estimation of the Annual Effective Dose Due to the Ingestion of 210Pb and 210Po in Crops from a Site of Coal Mining and Processing in Southwest China" Molecules 27, no. 7: 2112. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules27072112