Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment
The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Liang, Ming [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Umfang: |
10 |
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| Übergeordnetes Werk: |
Enthalten in: MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata - Shterenlikht, Anton ELSEVIER, 2019, chemistry, biology and toxicology as related to environmental problems, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:234 ; year:2019 ; pages:875-884 ; extent:10 |
| Links: |
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| DOI / URN: |
10.1016/j.chemosphere.2019.06.119 |
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ELV047846534 |
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| 520 | |a The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. | ||
| 520 | |a The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. | ||
| 650 | 7 | |a Spatial distribution |2 Elsevier | |
| 650 | 7 | |a Manufacturing workshops |2 Elsevier | |
| 650 | 7 | |a Soil |2 Elsevier | |
| 650 | 7 | |a PAHs |2 Elsevier | |
| 650 | 7 | |a Health risk assessment |2 Elsevier | |
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| 700 | 1 | |a Rao, Zhu |4 oth | |
| 700 | 1 | |a Hong, Xiuping |4 oth | |
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10.1016/j.chemosphere.2019.06.119 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001005.pica (DE-627)ELV047846534 (ELSEVIER)S0045-6535(19)31360-8 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Liang, Ming verfasserin aut Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. Spatial distribution Elsevier Manufacturing workshops Elsevier Soil Elsevier PAHs Elsevier Health risk assessment Elsevier Sources Elsevier Liang, Handong oth Rao, Zhu oth Hong, Xiuping oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:234 year:2019 pages:875-884 extent:10 https://doi.org/10.1016/j.chemosphere.2019.06.119 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 234 2019 875-884 10 |
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10.1016/j.chemosphere.2019.06.119 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001005.pica (DE-627)ELV047846534 (ELSEVIER)S0045-6535(19)31360-8 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Liang, Ming verfasserin aut Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. Spatial distribution Elsevier Manufacturing workshops Elsevier Soil Elsevier PAHs Elsevier Health risk assessment Elsevier Sources Elsevier Liang, Handong oth Rao, Zhu oth Hong, Xiuping oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:234 year:2019 pages:875-884 extent:10 https://doi.org/10.1016/j.chemosphere.2019.06.119 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 234 2019 875-884 10 |
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10.1016/j.chemosphere.2019.06.119 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001005.pica (DE-627)ELV047846534 (ELSEVIER)S0045-6535(19)31360-8 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Liang, Ming verfasserin aut Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. Spatial distribution Elsevier Manufacturing workshops Elsevier Soil Elsevier PAHs Elsevier Health risk assessment Elsevier Sources Elsevier Liang, Handong oth Rao, Zhu oth Hong, Xiuping oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:234 year:2019 pages:875-884 extent:10 https://doi.org/10.1016/j.chemosphere.2019.06.119 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 234 2019 875-884 10 |
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10.1016/j.chemosphere.2019.06.119 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001005.pica (DE-627)ELV047846534 (ELSEVIER)S0045-6535(19)31360-8 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Liang, Ming verfasserin aut Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. Spatial distribution Elsevier Manufacturing workshops Elsevier Soil Elsevier PAHs Elsevier Health risk assessment Elsevier Sources Elsevier Liang, Handong oth Rao, Zhu oth Hong, Xiuping oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:234 year:2019 pages:875-884 extent:10 https://doi.org/10.1016/j.chemosphere.2019.06.119 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 234 2019 875-884 10 |
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10.1016/j.chemosphere.2019.06.119 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001005.pica (DE-627)ELV047846534 (ELSEVIER)S0045-6535(19)31360-8 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Liang, Ming verfasserin aut Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. Spatial distribution Elsevier Manufacturing workshops Elsevier Soil Elsevier PAHs Elsevier Health risk assessment Elsevier Sources Elsevier Liang, Handong oth Rao, Zhu oth Hong, Xiuping oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:234 year:2019 pages:875-884 extent:10 https://doi.org/10.1016/j.chemosphere.2019.06.119 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 234 2019 875-884 10 |
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Characterization of polycyclic aromatic hydrocarbons in urban-rural integration area soil, North China: Spatial distribution, sources and potential human health risk assessment |
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The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. |
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The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. |
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The promotion of urbanization has accelerated the development of small manufacturing workshops and brought serious environmental problems. In this study, spatial distribution, sources and potential health risk for polycyclic aromatic hydrocarbons (PAHs) in urban-rural integration area soil in North China (800 km2) were discussed. The average total concentration of 16 PAHs was 225 μg kg−1, and range from 25 to 15155 μg kg−1 (n = 250). According to the European soil quality standards, more than 70% of the samples don't reach the pollution level, while around the small workshop concentration area and non-ferrous metal smelter were more contaminated than other area. The spatial distribution of soil PAHs concentration shows that low molecular weight, medium molecular weight and high molecular weight is very similar to the distribution of total PAHs, indicating that is likely to be caused by point source pollution. The sources of PAHs were identified by positive matrix factorization. The main six sources in the region are coal and biomass combustion, creosote, coke tar, vehicle and oil, which is consistent with the local energy consumption structure. Finally, a deterministic assessment of the cancer risk showed that the range for children was 5.94 × 10−8 to 2.53 × 10−5, and adults it ranged from 2.11 × 10−8 to 9.01 × 10−6. There is not a carcinogenic risk value greater than 10−4 in the entire region, but potential carcinogenic risks persisted in some areas. We conclude that PAHs pollution of soil in the area is an issue that deserves urgent attention for the relevant departments. |
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