Ecology and Environmental Sciences ›› 2026, Vol. 35 ›› Issue (10): 1611-1625.DOI: 10.16258/j.cnki.1674-5906.2026.10.011
• Research Article [Environmental Science] • Previous Articles Next Articles
Xie Guoliang1(
), Duan Ying2, Ding Dan3, Sun Yuyong1, Xu Xinyu1, Yuan Jing1
Received:2025-11-17
Revised:2026-08-26
Accepted:2026-09-07
Online:2026-10-18
Published:2026-10-21
谢国梁1(), 段颖2, 丁丹3, 孙玉永1, 徐新宇1, 袁静1
作者简介:谢国梁（1988年生），男，副教授，博士，从事黑色页岩风化环境效应研究。E-mail: 010032@tlu.edu.cn
基金资助:CLC Number:
Xie Guoliang, Duan Ying, Ding Dan, Sun Yuyong, Xu Xinyu, Yuan Jing. Source Apportionment and Risk Assessment of Heavy Metals in Selenium-Rich Soils in the High Geochemical Background Area of Southern Anhui Province[J]. Ecology and Environmental Sciences, 2026, 35(10): 1611-1625.
谢国梁, 段颖, 丁丹, 孙玉永, 徐新宇, 袁静. 皖南地质高背景区富硒土壤重金属污染源解析与风险评价[J]. 生态环境学报, 2026, 35(10): 1611-1625.
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URL: https://www.jeesci.com/EN/10.16258/j.cnki.1674-5906.2026.10.011
Figure 1 Location of the study area and sampling points
| 参数 | 参数名称 | 单位 | 参考值 | 参考文献 |
|---|---|---|---|---|
| IR,ing | 每日摄入土壤量 | mg∙d−1 | 成人20；儿童50 | USEPA, |
| IR,diet | 每日食物摄入量 | g∙d−1 | 成人1288.6；儿童57.8 | Yang et al., |
| IR,inh | 每日土壤吸入量 | m3∙d−1 | 成人16；儿童7.6 | Yang et al., |
| SA | 皮肤土壤接触面积 | cm2 | 成人5700；儿童2800 | USEPA, |
| AF | 土壤-皮肤附着系数 | kg∙cm−2∙d−1 | 成人2×10−7；儿童10−6 | USEPA, |
| ABS | 吸收因子 | 无量纲 | 成人0.03；儿童0.001 | USEPA, |
| EF | 暴露频率 | d∙t−1 | 350 | USEPA, |
| t1 | 暴露时间 | a | 成人24；儿童6 | USEPA, |
| mB | 体质量 | kg | 成人63；儿童29 | Yang et al., |
| t2 | 暴露污染土壤的平均时间 | d | 非致癌风险t1×365；致癌风险70×365 |
Table 1 Parameters of the human health risk assessment model based on pollution source orientation
| 参数 | 参数名称 | 单位 | 参考值 | 参考文献 |
|---|---|---|---|---|
| IR,ing | 每日摄入土壤量 | mg∙d−1 | 成人20；儿童50 | USEPA, |
| IR,diet | 每日食物摄入量 | g∙d−1 | 成人1288.6；儿童57.8 | Yang et al., |
| IR,inh | 每日土壤吸入量 | m3∙d−1 | 成人16；儿童7.6 | Yang et al., |
| SA | 皮肤土壤接触面积 | cm2 | 成人5700；儿童2800 | USEPA, |
| AF | 土壤-皮肤附着系数 | kg∙cm−2∙d−1 | 成人2×10−7；儿童10−6 | USEPA, |
| ABS | 吸收因子 | 无量纲 | 成人0.03；儿童0.001 | USEPA, |
| EF | 暴露频率 | d∙t−1 | 350 | USEPA, |
| t1 | 暴露时间 | a | 成人24；儿童6 | USEPA, |
| mB | 体质量 | kg | 成人63；儿童29 | Yang et al., |
| t2 | 暴露污染土壤的平均时间 | d | 非致癌风险t1×365；致癌风险70×365 |
| 项目 | 最小值/ (mg∙kg−1) | 最大值/ (mg∙kg−1) | 平均值/ (mg∙kg−1) | 标准差 | 变异系数/ % | 背景值/ (mg∙kg−1) | 风险筛选值/ (mg∙kg−1) | 背景值 超标率/% | 筛选值 超标率/% | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | 3.73 | 7.92 | 6.43 | 0.93 | 14 | 5.85 | pH≤5.5 | 5.5<pH≤6.5 | 6.5<pH≤7.5 | pH>7.5 | － | － |
| Se | 0.18 | 18.6 | 1.93 | 3.02 | 47 | 0.23 | － | － | － | － | － | － |
| As | 7.02 | 97.7 | 27.82 | 18.75 | 67 | 9.4 | 40 | 40 | 30 | 25 | 92.16 | 17.65 |
| Cd | 0.04 | 6.43 | 0.86 | 1.06 | 124 | 0.1 | 0.3 | 0.3 | 0.3 | 0.6 | 88.23 | 78.43 |
| Cr | 52.5 | 197 | 75.94 | 24.97 | 33 | 69.4 | 150 | 150 | 200 | 250 | 47.06 | 1.96 |
| Cu | 27.1 | 200 | 57.36 | 34.48 | 60 | 24.9 | 50 | 50 | 100 | 100 | 100 | 29.41 |
| Ni | 26.1 | 147 | 43.65 | 20.99 | 48 | 25 | 60 | 70 | 100 | 190 | 100 | 3.92 |
| Pb | 20.4 | 80.6 | 30.2 | 8.43 | 28 | 25.9 | 70 | 90 | 120 | 170 | 76.47 | 0 |
| Sb | 0.67 | 25.7 | 4.43 | 5.09 | 115 | 0.83 | － | － | － | － | 98.03 | － |
| Zn | 25 | 330 | 115.38 | 53.72 | 47 | 53.2 | 200 | 200 | 250 | 300 | 88.24 | 3.92 |
Table 2 Descriptive statistics of heavy metals in selenium-rich soil in the study area
| 项目 | 最小值/ (mg∙kg−1) | 最大值/ (mg∙kg−1) | 平均值/ (mg∙kg−1) | 标准差 | 变异系数/ % | 背景值/ (mg∙kg−1) | 风险筛选值/ (mg∙kg−1) | 背景值 超标率/% | 筛选值 超标率/% | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | 3.73 | 7.92 | 6.43 | 0.93 | 14 | 5.85 | pH≤5.5 | 5.5<pH≤6.5 | 6.5<pH≤7.5 | pH>7.5 | － | － |
| Se | 0.18 | 18.6 | 1.93 | 3.02 | 47 | 0.23 | － | － | － | － | － | － |
| As | 7.02 | 97.7 | 27.82 | 18.75 | 67 | 9.4 | 40 | 40 | 30 | 25 | 92.16 | 17.65 |
| Cd | 0.04 | 6.43 | 0.86 | 1.06 | 124 | 0.1 | 0.3 | 0.3 | 0.3 | 0.6 | 88.23 | 78.43 |
| Cr | 52.5 | 197 | 75.94 | 24.97 | 33 | 69.4 | 150 | 150 | 200 | 250 | 47.06 | 1.96 |
| Cu | 27.1 | 200 | 57.36 | 34.48 | 60 | 24.9 | 50 | 50 | 100 | 100 | 100 | 29.41 |
| Ni | 26.1 | 147 | 43.65 | 20.99 | 48 | 25 | 60 | 70 | 100 | 190 | 100 | 3.92 |
| Pb | 20.4 | 80.6 | 30.2 | 8.43 | 28 | 25.9 | 70 | 90 | 120 | 170 | 76.47 | 0 |
| Sb | 0.67 | 25.7 | 4.43 | 5.09 | 115 | 0.83 | － | － | － | － | 98.03 | － |
| Zn | 25 | 330 | 115.38 | 53.72 | 47 | 53.2 | 200 | 200 | 250 | 300 | 88.24 | 3.92 |
Figure 2 Spatial distribution of heavy metal contents in Se-enriched soil in the study area
Figure 3 Pearson analysis of heavy metals in Se-enriched soil
Figure 4 Source apportionment of heavy metal pollution in selenium-rich soils in southern Anhui using PMF model
Figure 5 Spatial distribution of the potential ecological risks from different pollution sources
| 项目 | 成人 | 儿童 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 综合源 | 自然源 | 采矿源 | 农业源 | 总和 | 综合源 | 自然源 | 采矿源 | 农业源 | 总和 | ||
| As | 2.36×10−1 | 7.82×10−1 | 1.34×10−1 | 8.13×10−1 | 1.96 | 3.36×10−1 | 1.11 | 1.90×10−1 | 1.16 | 2.80 | |
| Cd | 2.07×10−3 | 5.03×10−3 | 1.15×10−2 | 3.73×10−5 | 1.86×10−2 | 3.12×10−3 | 7.58×10−3 | 1.73×10−2 | 5.62×10−5 | 2.81×10−2 | |
| Cr | 2.51×10−1 | 8.43×10−2 | 6.48×10−2 | 1.26×10−1 | 5.27×10−1 | 3.39×10−1 | 1.14×10−1 | 8.73×10−2 | 1.70×10−1 | 1.70×10−1 | |
| Cu | 8.71×10−3 | 0 | 6.56×10−3 | 1.34×10−2 | 2.86×10−2 | 1.03×10−2 | 0 | 7.79×10−3 | 1.59×10−2 | 1.59×10−2 | |
| Ni | 2.31×10−2 | 4.19×10−3 | 4.63×10−3 | 1.18×10−2 | 4.37×10−2 | 2.75×10−2 | 4.98×10−3 | 5.50×10−3 | 1.40×10−2 | 5.19×10−2 | |
| Pb | 9.70×10−2 | 2.07×10−2 | 3.98×10−3 | 5.12×10−2 | 1.73×10−1 | 1.16×10−1 | 2.49×10−2 | 4.77×10−3 | 6.14×10−2 | 2.07×10−1 | |
| Sb | 0 | 1.53×10−1 | 2.98×10−2 | 3.84×10−2 | 2.21×10−1 | 0 | 1.80×10−1 | 3.51×10−2 | 4.53×10−2 | 2.60×10−1 | |
| Zn | 4.42×10−3 | 1.34×10−3 | 1.15×10−3 | 7.85×10−4 | 7.69×10−3 | 5.28×10−3 | 1.60×10−3 | 1.37×10−3 | 9.36×10−4 | 9.18×10−3 | |
| RN | 6.22×10−1 | 1.05 | 2.56×10−1 | 1.06 | 2.98 | 8.37×10−1 | 1.45 | 3.50×10−1 | 1.47 | 4.10 | |
| As | 3.64×10−5 | 1.21×10−4 | 2.06×10−5 | 1.26×10−4 | 3.03×10−4 | 1.30×10−5 | 4.30×10−5 | 7.34×10−6 | 4.47×10−5 | 1.08×10−4 | |
| Cd | 3.98×10−6 | 9.68×10−6 | 2.21×10−5 | 7.17×10−8 | 3.58×10−5 | 1.17×10−6 | 2.85×10−6 | 6.52×10−6 | 2.11×10−8 | 1.06×10−5 | |
| Cr | 1.32×10−4 | 4.42×10−5 | 3.40×10−5 | 6.64×10−5 | 2.77×10−4 | 4.21×10−5 | 1.41×10−5 | 1.09×10−5 | 2.12×10−5 | 8.83×10−5 | |
| Ni | 5.89×10−6 | 1.07×10−6 | 1.18×10−6 | 2.99×10−6 | 1.11×10−5 | 7.80×10−6 | 1.42×10−6 | 1.56×10−6 | 3.97×10−6 | 1.47×10−5 | |
| Pb | 9.85×10−7 | 2.11×10−7 | 4.04×10−8 | 5.20×10−7 | 1.76×10−6 | 2.91×10−7 | 6.23×10−8 | 1.19×10−8 | 1.54×10−7 | 5.19×10−7 | |
| RC | 1.79×10−4 | 1.76×10−4 | 7.80×10−5 | 1.95×10−4 | 6.28×10−4 | 6.43×10−5 | 6.14×10−5 | 2.63×10−5 | 7.00×10−5 | 2.22×10−4 | |
Table 3 Risk assessment of non-cancerous and carcinogenic effects of heavy metals from different pollution sources
| 项目 | 成人 | 儿童 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 综合源 | 自然源 | 采矿源 | 农业源 | 总和 | 综合源 | 自然源 | 采矿源 | 农业源 | 总和 | ||
| As | 2.36×10−1 | 7.82×10−1 | 1.34×10−1 | 8.13×10−1 | 1.96 | 3.36×10−1 | 1.11 | 1.90×10−1 | 1.16 | 2.80 | |
| Cd | 2.07×10−3 | 5.03×10−3 | 1.15×10−2 | 3.73×10−5 | 1.86×10−2 | 3.12×10−3 | 7.58×10−3 | 1.73×10−2 | 5.62×10−5 | 2.81×10−2 | |
| Cr | 2.51×10−1 | 8.43×10−2 | 6.48×10−2 | 1.26×10−1 | 5.27×10−1 | 3.39×10−1 | 1.14×10−1 | 8.73×10−2 | 1.70×10−1 | 1.70×10−1 | |
| Cu | 8.71×10−3 | 0 | 6.56×10−3 | 1.34×10−2 | 2.86×10−2 | 1.03×10−2 | 0 | 7.79×10−3 | 1.59×10−2 | 1.59×10−2 | |
| Ni | 2.31×10−2 | 4.19×10−3 | 4.63×10−3 | 1.18×10−2 | 4.37×10−2 | 2.75×10−2 | 4.98×10−3 | 5.50×10−3 | 1.40×10−2 | 5.19×10−2 | |
| Pb | 9.70×10−2 | 2.07×10−2 | 3.98×10−3 | 5.12×10−2 | 1.73×10−1 | 1.16×10−1 | 2.49×10−2 | 4.77×10−3 | 6.14×10−2 | 2.07×10−1 | |
| Sb | 0 | 1.53×10−1 | 2.98×10−2 | 3.84×10−2 | 2.21×10−1 | 0 | 1.80×10−1 | 3.51×10−2 | 4.53×10−2 | 2.60×10−1 | |
| Zn | 4.42×10−3 | 1.34×10−3 | 1.15×10−3 | 7.85×10−4 | 7.69×10−3 | 5.28×10−3 | 1.60×10−3 | 1.37×10−3 | 9.36×10−4 | 9.18×10−3 | |
| RN | 6.22×10−1 | 1.05 | 2.56×10−1 | 1.06 | 2.98 | 8.37×10−1 | 1.45 | 3.50×10−1 | 1.47 | 4.10 | |
| As | 3.64×10−5 | 1.21×10−4 | 2.06×10−5 | 1.26×10−4 | 3.03×10−4 | 1.30×10−5 | 4.30×10−5 | 7.34×10−6 | 4.47×10−5 | 1.08×10−4 | |
| Cd | 3.98×10−6 | 9.68×10−6 | 2.21×10−5 | 7.17×10−8 | 3.58×10−5 | 1.17×10−6 | 2.85×10−6 | 6.52×10−6 | 2.11×10−8 | 1.06×10−5 | |
| Cr | 1.32×10−4 | 4.42×10−5 | 3.40×10−5 | 6.64×10−5 | 2.77×10−4 | 4.21×10−5 | 1.41×10−5 | 1.09×10−5 | 2.12×10−5 | 8.83×10−5 | |
| Ni | 5.89×10−6 | 1.07×10−6 | 1.18×10−6 | 2.99×10−6 | 1.11×10−5 | 7.80×10−6 | 1.42×10−6 | 1.56×10−6 | 3.97×10−6 | 1.47×10−5 | |
| Pb | 9.85×10−7 | 2.11×10−7 | 4.04×10−8 | 5.20×10−7 | 1.76×10−6 | 2.91×10−7 | 6.23×10−8 | 1.19×10−8 | 1.54×10−7 | 5.19×10−7 | |
| RC | 1.79×10−4 | 1.76×10−4 | 7.80×10−5 | 1.95×10−4 | 6.28×10−4 | 6.43×10−5 | 6.14×10−5 | 2.63×10−5 | 7.00×10−5 | 2.22×10−4 | |
Figure 6 Health risks of heavy metals in adults and children and their relationship with pollution sources
Figure 7 Non-carcinogenic risk probability distribution of heavy metals in selenium-rich soil in the study area for adults and children
| 元素 | 成人 | 儿童 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RN | 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RN | ||
| As | 2.82×10−2 | 1.05×10−1 | 1.82 | 1.65×10−5 | 1.95 | 1.53×10−1 | 5.50×10−1 | 2.02 | 1.71×10−5 | 2.72 | |
| Cd | 2.62×10−4 | 1.33×10−3 | 1.69×10−2 | 1.54×10−5 | 1.85×10−2 | 1.42×10−3 | 6.96×10−3 | 1.87×10−2 | 1.59×10−5 | 2.71×10−2 | |
| Cr | 7.60×10−3 | 1.93×10−2 | 4.90×10−1 | 4.69×10−4 | 5.17×10−1 | 4.13×10−2 | 1.01×10−1 | 5.43×10−1 | 4.86×10−4 | 6.86×10−1 | |
| Cu | 4.43×10−4 | 7.47×10−5 | 2.85×10−2 | 2.59×10−7 | 2.90×10−2 | 2.40×10−3 | 3.91×10−4 | 3.15×10−2 | 2.66×10−7 | 3.43×10−2 | |
| Ni | 6.55×10−4 | 1.23×10−4 | 4.22×10−2 | 8.56×10−5 | 4.30×10−2 | 3.56×10−3 | 6.44×10−4 | 4.68×10−2 | 8.83×10−5 | 5.10×10−2 | |
| Pb | 2.63×10−3 | 8.91×10−4 | 1.70×10−1 | 1.54×10−6 | 1.73×10−1 | 1.43×10−2 | 4.67×10−3 | 1.88×10−1 | 1.59×10−6 | 2.07×10−1 | |
| Sb | 3.38×10−3 | 1.71×10−4 | 2.17×10−1 | 1.98×10−6 | 2.21×10−1 | 1.83×10−2 | 8.98×10−4 | 2.41×10−1 | 2.05×10−6 | 2.60×10−1 | |
| Zn | 1.17×10−4 | 2.97×10−5 | 7.53×10−3 | 6.90×10−8 | 7.68×10−3 | 6.37×10−4 | 1.56×10−4 | 8.37×10−3 | 7.10×10−8 | 9.16×10−3 | |
| RN | 2.96 | 3.99 | |||||||||
Table 4 Non-carcinogenic health risk index of heavy metals in selenium-rich soil based on Monte Carlo model in the study area for adults and children
| 元素 | 成人 | 儿童 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RN | 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RN | ||
| As | 2.82×10−2 | 1.05×10−1 | 1.82 | 1.65×10−5 | 1.95 | 1.53×10−1 | 5.50×10−1 | 2.02 | 1.71×10−5 | 2.72 | |
| Cd | 2.62×10−4 | 1.33×10−3 | 1.69×10−2 | 1.54×10−5 | 1.85×10−2 | 1.42×10−3 | 6.96×10−3 | 1.87×10−2 | 1.59×10−5 | 2.71×10−2 | |
| Cr | 7.60×10−3 | 1.93×10−2 | 4.90×10−1 | 4.69×10−4 | 5.17×10−1 | 4.13×10−2 | 1.01×10−1 | 5.43×10−1 | 4.86×10−4 | 6.86×10−1 | |
| Cu | 4.43×10−4 | 7.47×10−5 | 2.85×10−2 | 2.59×10−7 | 2.90×10−2 | 2.40×10−3 | 3.91×10−4 | 3.15×10−2 | 2.66×10−7 | 3.43×10−2 | |
| Ni | 6.55×10−4 | 1.23×10−4 | 4.22×10−2 | 8.56×10−5 | 4.30×10−2 | 3.56×10−3 | 6.44×10−4 | 4.68×10−2 | 8.83×10−5 | 5.10×10−2 | |
| Pb | 2.63×10−3 | 8.91×10−4 | 1.70×10−1 | 1.54×10−6 | 1.73×10−1 | 1.43×10−2 | 4.67×10−3 | 1.88×10−1 | 1.59×10−6 | 2.07×10−1 | |
| Sb | 3.38×10−3 | 1.71×10−4 | 2.17×10−1 | 1.98×10−6 | 2.21×10−1 | 1.83×10−2 | 8.98×10−4 | 2.41×10−1 | 2.05×10−6 | 2.60×10−1 | |
| Zn | 1.17×10−4 | 2.97×10−5 | 7.53×10−3 | 6.90×10−8 | 7.68×10−3 | 6.37×10−4 | 1.56×10−4 | 8.37×10−3 | 7.10×10−8 | 9.16×10−3 | |
| RN | 2.96 | 3.99 | |||||||||
| 元素 | 成人 | 儿童 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RC | 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RC | ||
| As | 4.36×10−6 | 1.62×10−5 | 2.81×10−4 | 2.56×10−8 | 3.01×10−4 | 5.91×10−6 | 2.12×10−5 | 7.78×10−5 | 6.61×10−9 | 1.02×10−4 | |
| Cd | 5.48×10−7 | 2.78×10−8 | 3.53×10−5 | 3.33×10−10 | 3.59×10−5 | 7.44×10−7 | 3.64×10−8 | 9.78×10−6 | 8.58×10−11 | 1.02×10−5 | |
| Cr | 3.91×10−6 | 7.95×10−6 | 2.52×10−4 | 1.93×10−7 | 2.64×10−4 | 5.30×10−6 | 1.04×10−5 | 6.99×10−5 | 4.99×10−8 | 8.28×10−5 | |
| Ni | 1.35×10−9 | 9.68×10−6 | 8.67×10−8 | 2.22×10−9 | 9.77×10−6 | 1.83×10−9 | 1.27×10−5 | 2.40×10−8 | 5.72×10−10 | 1.27×10−5 | |
| Pb | 2.69×10−8 | 2.73×10−9 | 1.73×10−6 | 7.81×10−11 | 1.76×10−6 | 3.65×10−8 | 3.57×10−9 | 4.80×10−7 | 2.02×10−11 | 5.01×10−7 | |
| RC | 6.13×10−4 | 2.14×10−4 | |||||||||
Table 5 Carcinogenic health risk index of heavy metals in selenium-rich soil based on Monte Carlo model in the study area for adults and children
| 元素 | 成人 | 儿童 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RC | 偶然摄入 | 皮肤接触 | 间接饮食摄入 | 呼吸摄入 | RC | ||
| As | 4.36×10−6 | 1.62×10−5 | 2.81×10−4 | 2.56×10−8 | 3.01×10−4 | 5.91×10−6 | 2.12×10−5 | 7.78×10−5 | 6.61×10−9 | 1.02×10−4 | |
| Cd | 5.48×10−7 | 2.78×10−8 | 3.53×10−5 | 3.33×10−10 | 3.59×10−5 | 7.44×10−7 | 3.64×10−8 | 9.78×10−6 | 8.58×10−11 | 1.02×10−5 | |
| Cr | 3.91×10−6 | 7.95×10−6 | 2.52×10−4 | 1.93×10−7 | 2.64×10−4 | 5.30×10−6 | 1.04×10−5 | 6.99×10−5 | 4.99×10−8 | 8.28×10−5 | |
| Ni | 1.35×10−9 | 9.68×10−6 | 8.67×10−8 | 2.22×10−9 | 9.77×10−6 | 1.83×10−9 | 1.27×10−5 | 2.40×10−8 | 5.72×10−10 | 1.27×10−5 | |
| Pb | 2.69×10−8 | 2.73×10−9 | 1.73×10−6 | 7.81×10−11 | 1.76×10−6 | 3.65×10−8 | 3.57×10−9 | 4.80×10−7 | 2.02×10−11 | 5.01×10−7 | |
| RC | 6.13×10−4 | 2.14×10−4 | |||||||||
Figure 8 Carcinogenic risk probability distribution of heavy metals in selenium-rich soil in the study area for adults and children
Figure 9 Health risk sensitivity analysis of non-cancer and cancer in adults and children in the study area
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