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Fernandes GM, Martins DDA, de Oliveira AHB, de Lima MFB, Reddy CM, Nelson RK, Cavalcante RM. Hydrocarbon markers for assessing the influence of human activities in the tropical semi-arid region (Acaraú River, state of Ceará, Brazil). CHEMOSPHERE 2023; 344:140227. [PMID: 37758093 DOI: 10.1016/j.chemosphere.2023.140227] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 10/03/2023]
Abstract
Coastal ecosystems are facing increasing anthropogenic stressors, including rapid urbanization rates and extensive fossil fuel usage. Nevertheless, the distribution of hydrocarbons in the Brazilian semi-arid region remains relatively uncharacterized. In this study, we analyzed ten surface sediment samples (0-2 cm) along the banks of the Acaraú River to assess the chronic contributions of aliphatic and aromatic hydrocarbons. The Acaraú River is a crucial riverine-estuarine area in the semi-arid region of Northeast Brazil. Ultrasound-assisted extraction and gas chromatograph coupled to a mass spectrometer were used to identify target compounds: 45 PAHs, 27 n-alkanes (C10-C38), and two isoprenoids. At most stations, the predominant grain size was sand, and the organic carbon content was less than 1%. The total n-alkanes concentration ranged from 14.1 to 170.0 μg g-1, while individual pristane and phytane concentrations ranged from not detected (nd) to 0.4 μg g-1 and nd to 0.7 μg g-1, respectively. These concentrations resemble those found in unpolluted sediments and are lower compared to samples from urbanized coastal areas. The total USEPA PAHs concentration varied from 157.8 to 1364 ng g-1, leading to the characterization of sediment samples as moderately polluted. Based on diagnostic ratios calculated from both alkane and PAH concentrations, the sediment samples were predominantly deriving from pyrolytic sources, with some contribution from petrogenic sources. The most abundant group was 5-ring PAHs (mean: 47.3 ± 36.7%), followed by 3-ring PAHs (mean: 17.9 ± 13.7%). This predominance indicates a pyrolytic origin of hydrocarbons in the Acaraú River. The concentrations reported here were representative of the level of background hydrocarbons in the region. Regarding the sediment quality assessment, BaP TPE calculated for the Acaraú River ranged from 13.2 to 1258.4 ng g-1 (mean: 409.3 ± 409.4 ng g-1). When considering site-specific sediment quality values for the coast of the state of Ceará, half of the stations are classified as strongly contaminated, and toxic effects are expected to occur (SQGq >0.25) for the ∑16 PAHs measured in the samples, especially due to dibenz [a,h]anthracene concentrations.
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Affiliation(s)
- Gabrielle M Fernandes
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles,CEP: 60165-081, Fortaleza, CE, Brazil.
| | - Davi de A Martins
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles,CEP: 60165-081, Fortaleza, CE, Brazil
| | - Andre H B de Oliveira
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles,CEP: 60165-081, Fortaleza, CE, Brazil; Laboratory for Environmental Studies (LEA), Federal University of Ceará - Analytical Chemistry and Physical Chemistry Department, Campus do Pici s/n, Bloco 938/939, Brazil
| | - Marcielly F B de Lima
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles,CEP: 60165-081, Fortaleza, CE, Brazil
| | - Christopher M Reddy
- Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543, USA
| | - Robert K Nelson
- Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543, USA
| | - Rivelino M Cavalcante
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles,CEP: 60165-081, Fortaleza, CE, Brazil
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Areguamen OI, Calvin NN, Gimba CE, Okunola OJ, Abdulkadir AT, Elebo A. Assessment of seasonal variation in distribution, source identification, and risk of polycyclic aromatic hydrocarbon (PAH)-contaminated sediment of Ikpoba River, South-South Nigeria. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:302. [PMID: 36645518 DOI: 10.1007/s10661-023-10927-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
The study aims to assess the seasonal variation in distribution, source identification, and risk of 20 polycyclic aromatic hydrocarbons (20 PAHs) in the sediment of the Ikpoba River, south-south Nigeria. The PAHs were extracted in an ultrasonic bath with a mixture of n-hexane and dichloromethane (1:1 v/v). The extract was cleaned by silica-alumina gel mixed with anhydrous Na2SO4 in a chromatography column, eluted by n-hexane, and analysed by gas chromatography-mass spectrometry. The range of the average PAHs in mg.kg-dw was 0.15 (Nap)-0.54 (Acy) and 0.13 (D.al.P)-0.99 (Acy) in wet and dry periods correspondingly, indicating an increase in concentration from wet to dry period. However, the rings of the average concentration of the PAHs show 6 and 3 rings to be the highest values during the wet and dry seasons, respectively. Based on the human health risk analysis, the hazard quotient (HQ) and hazard index (HI), and carcinogenic risk indices showed low non-carcinogenic and carcinogenic risk for both seasons. The ecological risk analysis showed the mean effect range median quotient (mERMQ) recorded a medium-low effect on the biota of the locations, except in AS3 during the wet season and also in WS8 and WS9 during the dry season. The minimum value of the toxic equivalent quotient (TEQ) was > 0.2 mg/kg, which indicated a recommendation for the clean-up of the Ikpoba River. The isomer ratio and the principal component analysis (PCA) revealed the sources of the PAHs to be majorly combustion, followed by pyrolytic and petrogenic sources for both seasons.
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Affiliation(s)
| | | | | | | | | | - Abuchi Elebo
- Chemistry Department, Ahmadu Bello University, Zaria, Kaduna, Nigeria
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Sheng X, Lyu S. Insights into enhanced removal of fluoranthene by sulfidated nanoscale zero-valent iron: In aqueous solution and soil slurry. CHEMOSPHERE 2023; 312:137172. [PMID: 36356808 DOI: 10.1016/j.chemosphere.2022.137172] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 10/31/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
In this study, 90.9% fluoranthene (FLT) was degraded in sodium percarbonate (2Na2CO3·3H2O2, SPC) oxidation system by Fe(II) combined with sulfidated nano zero valent iron (S-nZVI) activation within 60 min in aqueous solution. Scavenging experiments and electron paramagnetic resonance detection suggested that HO•, O2-•, and 1O2 contributed to the removal of FLT in SPC/Fe(II)/S-nZVI system. Based on the FLT degradation intermediates that were analyzed by GC-MS in SPC/Fe(II)/S-nZVI process, three potential FLT degradation pathways were speculated. The removal efficiency of FLT was inhibited with the presence of humic acid (HA) unless the concentration of HA was controlled at 1.0 mg L-1, and the presence of 1.0 mg L-1 HA favored the generation of HO•. The excellent removal performance of FLT (88.6%) could be achieved in actual groundwater by increasing the chemical dosages and adjusting the initial solution pH to acid environment. In soil slurry tests, the optimal reaction time and soil/water ratio were obtained as 24 h and 2/10, respectively, and the desired FLT degradation performances were obtained at pH 3 and 5 with the soil/water ratio of 2/10. This work effectively demonstrates the application potential of SPC/Fe(II)/S-nZVI system for the remediation of PAHs contamination in actual industrial sites.
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Affiliation(s)
- Xianxian Sheng
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China.
| | - Shuguang Lyu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China.
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Aralu CC, Okoye PAC, Akpomie KG, Chukwuemeka‐Okorie HO, Abugu HO. Polycyclic aromatic hydrocarbons in soil situated around solid waste dumpsite in Awka, Nigeria. TOXIN REV 2022. [DOI: 10.1080/15569543.2021.2022700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Chiedozie C. Aralu
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, Awka, Nigeria
| | - Patrice-Anthony C. Okoye
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, Awka, Nigeria
- Department of Pure & Industrial Chemistry, University of Nigeria, Nsukka, Nigeria
| | - Kovo G. Akpomie
- Department of Pure & Industrial Chemistry, University of Nigeria, Nsukka, Nigeria
- Department of Chemistry, University of the Free State, Bloemfontein, South Africa
| | | | - Hillary O. Abugu
- Department of Pure & Industrial Chemistry, University of Nigeria, Nsukka, Nigeria
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Wang BR, Dahms HU, Wu MC, Jhuo NJ, Hsieh CY. After remediation - Using toxicity identification evaluation of sediment contamination in the subtropical Erren river basin. CHEMOSPHERE 2021; 262:127772. [PMID: 32799140 DOI: 10.1016/j.chemosphere.2020.127772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/14/2020] [Accepted: 07/18/2020] [Indexed: 06/11/2023]
Abstract
This study utilized the freshwater amphipod (Hyalella azteca) for the indication of contamination risk levels of sediment-associated contaminants in the Erren (ER1∼ER10) and Sanye Rivers (SY1∼SY5) which were contaminated by metal scrap and smelting industries for decades. Toxicity identification evaluations involving the manipulation of pore water and whole-sediment samples were conducted to identify causative pollutants. Impacts on the aquatic environment were then evaluated in order to explore how industrial development led to contaminant accumulation in sediments and resulted in biological effects. A whole-sediment TIE indicated that the major toxicant at sampling sites ER8 and SY5 was ammonia and that its toxicity was significantly reduced by the addition of zeolite. Toxicity at sampling sites ER4 and ER9 was induced by ammonia and heavy metals (Zn, Cd, Cr, As), whereas Cr was at toxic levels at ER6. ∑PAHs was another major class of contaminants at site ER2. Metals (Zn, Ni, Pb, Cd, Cr, and As) were identified as major toxic contaminants at three sites (ER3, SY1, and SY3). The application of TIEs confirmed that a causative toxicant can be identified and that its measured toxicity correlated with its concentration. In conclusion, a TIE approach was successful in demarcating most effective contaminant groups (ammonia, heavy metals, and non-polar organic compounds) in whole-sediment cores, their porewaters and potential toxicities from a highly polluted river after remediation in southern Taiwan to an invertebrate animal model H. azteca.
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Affiliation(s)
- Bo-Ren Wang
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
| | - Hans-Uwe Dahms
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung City, 807, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung City, 804, Taiwan; Research Center for Environmental Medicine, KMU - Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Meng-Chun Wu
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
| | - Nian-Jhen Jhuo
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
| | - Chi-Ying Hsieh
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan.
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Liu W, Wang D, Wang Y, Zeng X, Ni L, Tao Y, Wu J, Liu J, Zou Y, He R, Zhang J. Improved comprehensive ecological risk assessment method and sensitivity analysis of polycyclic aromatic hydrocarbons (PAHs). ENVIRONMENTAL RESEARCH 2020; 187:109500. [PMID: 32460089 DOI: 10.1016/j.envres.2020.109500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/22/2020] [Accepted: 04/07/2020] [Indexed: 06/11/2023]
Abstract
Based on the existing comprehensive ecological risk assessment methods of PAHs, this paper proposed an improved hierarchical Archimedean copula integral assessment (HACIA) model with the optimization in the model selection mechanism and accelerating the calculation speed, and according to which performed the sensitivity analysis of the integrated risk relative to the underlying grouped risk probability. Taihu Lake in China and the Bay of Santander in Spain were taken as study areas, whose samples were obtained and extracted concentrations of 16 priority polycyclic aromatic hydrocarbons (PAHs). After briefly analyzing their concentration characteristics and source, their comprehensive ecological risks were evaluated by the improve HACIA model and their sensitivity was also analyzed. The results proved that, for Taihu Lake, pyrogenic sources occupied the dominance, especially grass, coal and wood combustion, while the risk proportion of 5-rings PAHs was the lowest indeed based on the improved HAICA model. For the Bay of Santander, source apportionment indicated both petrogenic and pyrogenic sources, mainly from vehicle emissions including gasoline and diesel engines, and 4-ring PAHs were urgently needed to be managed. However, the sensitivity analysis results of two study areas showed that the most effective control target for reducing integral risk has no obvious relationship with the maximum grouped risk. And a clear linear relationship between the maximum sensitivity range and the logarithm of the initial overall risk only presented in one of study areas, which required further research to clarify. In brief, the improved HACIA model is helpful to evaluate the comprehensive ecological risk of 16 PAHs, and formulate risk management strategies based on grouped risk assessment and sensitivity analysis, with the former points out the admonitory risk and the latter helps to find the most effective mitigation measures.
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Affiliation(s)
- Wenyue Liu
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China
| | - Dong Wang
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China.
| | - Yuankun Wang
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China.
| | - Xiankui Zeng
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China
| | - Lingling Ni
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China
| | - Yuwei Tao
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China
| | - Jichun Wu
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Collaborative Innovation Center of South China Sea Studies, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, PR China
| | - Jiufu Liu
- Nanjing Hydraulic Research Institute, Nanjing, PR China
| | - Ying Zou
- Nanjing Hydraulic Research Institute, Nanjing, PR China
| | - Ruimin He
- Nanjing Hydraulic Research Institute, Nanjing, PR China
| | - Jianyun Zhang
- Nanjing Hydraulic Research Institute, Nanjing, PR China
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Adeniji AO, Okoh OO, Okoh AI. Levels of Polycyclic Aromatic Hydrocarbons in the Water and Sediment of Buffalo River Estuary, South Africa and Their Health Risk Assessment. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 76:657-669. [PMID: 30879120 PMCID: PMC6469821 DOI: 10.1007/s00244-019-00617-w] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 03/04/2019] [Indexed: 05/04/2023]
Abstract
The incidence and spatial distribution of polycyclic aromatic hydrocarbons (PAHs) in the Buffalo River Estuary in the Eastern Cape Province of South Africa were assessed in this study. A total of 60 surface water and 19 sediment samples were collected from 5 sites of the estuary over a period of 6 months (December 2015 to May 2016). Extraction of PAHs from the water and sediment samples was achieved by using liquid-liquid and soxhlet extraction methods respectively, followed by column clean up with silica gel and quantification by gas chromatography-flame ionization detection. Individual PAH levels in the water and sediment samples ranged from not detected (ND) to 24.91 μg/L and ND to 7792 μg/kg, respectively. Total concentrations of the PAHs in the water and sediment samples varied as 14.91-206 μg/L and 1107-22,310 μg/kg in that order. Total levels of the contaminants were above the target values in the two matrices and were higher in summer than autumn. Although the noncarcinogenic risk of PAHs estimated in the water column through dermal absorption was very low compared with the target value, the carcinogenic risk determined was high for both adults and children. Similarly, benzo(a)pyrene and dibenzo(a,h)anthracene were found to be of higher carcinogenic and mutagenic risks in the sediments collected from the study area. Diagnostic ratios suggest that the target hydrocarbons are predominantly from pyrolytic sources. It therefore could be inferred that the water body is conspicuously polluted; hence, efforts should be made to control all the activities contributing to such magnitude of pollution at the sites.
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Affiliation(s)
- A O Adeniji
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa.
- Department of Chemistry, University of Fort Hare, Alice, 5700, South Africa.
| | - O O Okoh
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa
- Department of Chemistry, University of Fort Hare, Alice, 5700, South Africa
| | - A I Okoh
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa
- Applied and Environmental Microbiology Research Group, Department of Biochemistry and Microbiology, University of Fort Hare, Alice, 5700, South Africa
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Sheikh Fakhradini S, Moore F, Keshavarzi B, Lahijanzadeh A. Polycyclic aromatic hydrocarbons (PAHs) in water and sediment of Hoor Al-Azim wetland, Iran: a focus on source apportionment, environmental risk assessment, and sediment-water partitioning. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:233. [PMID: 30900011 DOI: 10.1007/s10661-019-7360-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 03/01/2019] [Indexed: 05/28/2023]
Abstract
The concentration, source, and ecological risk of 16 polycyclic aromatic hydrocarbons (PAHs) in water and sediment samples in Hoor Al-Azim wetland, a significant freshwater wetland in Lower Mesopotamia, were evaluated. Total PAHs concentrations varied from 15.3 to 160.15 ng/L, and 15.78 to 410.2 μg/Kg in water and sediment, respectively. PAHs pollution levels in sediments compared with sediment quality guidelines (SQG) were found to be moderate in two stations and low in water and the rest of sediment stations. Based on the diagnostic ratio analysis, cluster analysis (CA), and principal component analysis-multiple linear regression (PCA-MLR), the mean percentage contributions were 62.62% for mixed pyrogenic and petrogenic sources (e.g., unburned and combusted fossil fuels from fishing boats and vehicle engines, incomplete combustion, oil leakage), 20.68% for auto emission, and 16.7% for pyrogenic sources (fossil fuels and biomass combustion). According to the sediment risk assessment indices such as mean effects range-median quotient (M-ERM-Q), the ecological risk of multiple PAHs was low. Risk quotient (RQ) calculation of water samples suggested high ecological risk level for Benzo[a]anthracene (BaA), and low to moderate for other individual PAHs and ΣPAHs. The result of PAHs partitioning between sediment and water phases revealed that most PAHs prefer to accumulate in sediment. Sediments probably act as a secondary source for some PAHs in the oil collection and pumping station.
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Affiliation(s)
- Sara Sheikh Fakhradini
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz, 71454, Iran.
| | - Farid Moore
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz, 71454, Iran
| | - Behnam Keshavarzi
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz, 71454, Iran
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Lubecki L, Oen AMP, Breedveld GD, Zamojska A. Vertical profiles of sedimentary polycyclic aromatic hydrocarbons and black carbon in the Gulf of Gdańsk (Poland) and Oslofjord/Drammensfjord (Norway), and their relation to regional energy transitions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 646:336-346. [PMID: 30056229 DOI: 10.1016/j.scitotenv.2018.07.300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 06/27/2018] [Accepted: 07/21/2018] [Indexed: 06/08/2023]
Abstract
The analysis of undisturbed sediment cores is a powerful tool for understanding spatial and temporal impacts of anthropogenic emissions from the energy and transport sectors at a regional scale. The spatial and vertical distribution of polycyclic aromatic hydrocarbons (PAHs) and black carbon (BC) were determined in 12 cores of recent (up to 20cm long) sediments from the Gulf of Gdańsk in Poland, and Oslofjord/Drammensfjord in Norway. The Σ12PAHs levels in individual sediment layers varied from 250 to 4500ng/g d.w. in the Gulf of Gdańsk, and from 210 to 4580ng/g d.w. in the Norwegian fjords. Analysis of PAH ratios indicates that PAHs in both studied areas originated mainly from pyrogenic sources. The BC concentrations in sediments were up to 0.9% and were generally higher in the Gulf of Gdańsk (mean - 0.39%) than in Oslofjord/Drammensfjord (mean - 0.19%). The deposition history of anthropogenic emissions over the last 100years was reconstructed based on the analysis of dated and well-laminated sediment cores from two stations from the Gulf of Gdańsk and two stations from the Norwegian fjords. The evolution in energy structure was especially evident in the Oslofjord, where transition from fossil fuel combustion to hydropower after 1960 coincided with a sharp decrease in sedimentary PAHs. Despite significant changes in the economic development in Poland, temporal patterns in PAH concentrations/profiles in the Gulf of Gdańsk were not as obvious. The historical PAH trends in the Gulf of Gdańsk may be related to the overwhelming PAH inputs from domestic combustion of solid fuels (coal, wood) for heating purposes. The implementation of legislation and other activities addressed to restrict the use of solid fuels in residential heating should reduce PAH emissions.
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Affiliation(s)
- Ludwik Lubecki
- Marine Pollution Laboratory, Institute of Oceanology, Polish Academy of Sciences, ul. Powstańców Warszawy 55, 81-712 Sopot, Poland.
| | - Amy M P Oen
- Norwegian Geotechnical Institute, P.O. Box 3930, Ullevål Stadion, 0806 Oslo, Norway
| | - Gijs D Breedveld
- Norwegian Geotechnical Institute, P.O. Box 3930, Ullevål Stadion, 0806 Oslo, Norway; Department of Geosciences, University of Oslo, P.O. Box 1047, Blindern, 0316 Oslo, Norway
| | - Anna Zamojska
- University of Gdańsk, Department of Econometrics, ul. Armii Krajowej 101, 81-824 Sopot, Poland
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Mahdi Ahmed M, Doumenq P, Awaleh MO, Syakti AD, Asia L, Chiron S. Levels and sources of heavy metals and PAHs in sediment of Djibouti-city (Republic of Djibouti). MARINE POLLUTION BULLETIN 2017; 120:340-346. [PMID: 28550950 DOI: 10.1016/j.marpolbul.2017.05.055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 05/19/2017] [Accepted: 05/22/2017] [Indexed: 06/07/2023]
Abstract
Selected heavy metals and polycyclic aromatic hydrocarbons (PAHs) were determined in marine sediment from 28 sites Djibouti city. The concentrations of trace elements varied from 0 to 288.1mg/kg with relative abundance of trace metals in sediments was in the order of Zn>Cu>Ni>Cr>Co>Pb>Cd. Zn, Cu and Ni exceeded consensus based sediment quality guideline values 7, 14, 15 sites respectively. Enrichment factor and pollution load index showed relatively low to moderate contamination. The concentrations of total 16 PAHs varied widely depending on the sample location and ranged from 2.65 to 3760.11ng·g-1, with the mean concentration value of 387.87ng·g-1. Compositions and relative abundance of individual PAH using molecular diagnostic ratio using congener's m/z 178 and 202 indicated pyrolytic origin and reflecting a petroleum combustion, grass/wood and coal combustion and a petrogenic source. This study represents the first pollution baseline and a reference for future studies in Djibouti.
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Affiliation(s)
- Moussa Mahdi Ahmed
- Institut des Sciences de la Terre, Centre d'Etude et de Recherche de Djibouti, Route de l'aéroport BP 486, Djibouti, Republic of Djibouti.
| | - Pierre Doumenq
- Laboratoire de Chimie de l'environnement, Equipe Micropolluants Organique, FRE-CNRS 3416, Europôle de l'Arbois-Bátiment Villemin BP 80, Aix en Provence Cedex 4, France
| | - Mohamed Osman Awaleh
- Institut des Sciences de la Terre, Centre d'Etude et de Recherche de Djibouti, Route de l'aéroport BP 486, Djibouti, Republic of Djibouti
| | - Agung Dhamar Syakti
- Center for Maritime Bioscience Studies-Institute for Research and Community Service, Jenderal Soedirman University, Jl, Dr, Suparno, Purwokerto 53123, Indonesia; Marine Science and Fisheries Faculty, Raja Ali Haji Maritime University, Jl. Politeknik Senggarang-Tanjungpinang, Riau Islands Province, 29100, Indonesia
| | - Laurence Asia
- Laboratoire de Chimie de l'environnement, Equipe Micropolluants Organique, FRE-CNRS 3416, Europôle de l'Arbois-Bátiment Villemin BP 80, Aix en Provence Cedex 4, France
| | - Serge Chiron
- UMR HydroSciences 5569, Montpellier Université, 15 Avenue Ch, Flahault, 34093 Montpellier Cedex 5, France
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Basavaiah N, Mohite RD, Singare PU, Reddy AVR, Singhal RK, Blaha U. Vertical distribution, composition profiles, sources and toxicity assessment of PAH residues in the reclaimed mudflat sediments from the adjacent Thane Creek of Mumbai. MARINE POLLUTION BULLETIN 2017; 118:112-124. [PMID: 28238488 DOI: 10.1016/j.marpolbul.2017.02.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 02/07/2017] [Accepted: 02/15/2017] [Indexed: 06/06/2023]
Abstract
A study on vertical distribution of magnetic susceptibility, carcinogenic and endocrine disrupting PAHs was performed in the reclaimed mudflat sediments adjacent to the Thane Creek of Mumbai. The 5-rings PAHs and ΣC-PAHs were more dominant at 120cm depth contributing 52.23% and 60.19% respectively to ∑PAHs. The average ratio values of LMW/HMW PAHs (0.58); Fla/(Fla+Pyr) (0.50); Ant/(Ant+Phe) (0.50); BaA/(Chry+BaA) (0.48); BaP/BghiP (2.06), Phe/Ant (1.03) and BaA/Chr (0.93) indicate that the PAH contamination might have raised due to inefficient combustion and pyrogenic emissions during the open burning of solid waste in the vicinity. This was further supported by the anthropogenic ferri(o)magnetic loading over the last 100years influencing the Creek sediments. The PAHs toxicity estimation was performed by calculating the toxic equivalent quantity (TEQ) value of 8.62ng TEQ/g which was below the safe level (600ng TEQ/g) suggested by the Canadian risk-based soil criterion for protection of human health.
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Affiliation(s)
- N Basavaiah
- Indian Institute of Geomagnetism, New Panvel, Navi Mumbai 410 218, India.
| | - R D Mohite
- Department of Chemistry, K.B.P. College, Vashi, Navi Mumbai, India
| | - P U Singare
- Department of Chemistry, Bhavan's College, Munshi Nagar, Andheri (West), Mumbai 400 058, India.
| | - A V R Reddy
- Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India
| | - R K Singhal
- Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India
| | - U Blaha
- ERDS-tec Environmental Solutions, P.O. Box 1404, 72004 Tübingen, Germany
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Goswami P, Ohura T, Guruge KS, Yoshioka M, Yamanaka N, Akiba M, Munuswamy N. Spatio-temporal distribution, source, and genotoxic potential of polycyclic aromatic hydrocarbons in estuarine and riverine sediments from southern India. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 130:113-123. [PMID: 27092974 DOI: 10.1016/j.ecoenv.2016.04.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 04/07/2016] [Accepted: 04/11/2016] [Indexed: 06/05/2023]
Abstract
In order to categorize the distribution, source, and effects of polycyclic aromatic hydrocarbons (PAHs) in aquatic systems of southern India, chemical and toxicological analyses were performed on surface and core sediments, collected from Adyar river, Cooum river, Ennore estuary, and Pulicat lake near Chennai city. The total PAH concentration in surface sediment ranged from 13 to 31,425ng/g with a mean value of 4320ng/g; the concentration was markedly higher in Cooum river compared to that at other sites. The historical PAH dissemination in core samples in the Cooum river, Ennore estuary, and Pulicat lake ranged from 30 to 31,425ng/g, from 8.6 to 910ng/g, and from 62 to 546ng/g, respectively. Surface sediments were predominantly contaminated with low molecular weight (LMW) PAHs. Historical profiles suggest that PAH contamination in the area is now greater than it had been in the past. PAH accumulation in Pulicat lake was distinct from that at other locations where high molecular weight (HMW) PAHs were predominant. DNA damage in HepG2 cells treated with sediment extracts from different locations showed a good correlation with their respective total PAH levels. Statistical analysis revealed that 3-ring and 4-ring PAHs may synergistically contribute to the genotoxic potency compared to others in sediments. The study also showed that a majority of PAHs in the study area indicated a petrogenic origin. Based on the enrichment and toxicological assessment of PAHs in sediments, Cooum river was shown to suffer the highest biological impairment among the studied water bodies.
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Affiliation(s)
- Prasun Goswami
- Pathology and Pathophysiology Research Division, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba 305-0856, Japan; Unit of Aquaculture & Cryobiology, Department of Zoology, University of Madras, Chennai 600025, India
| | - Takeshi Ohura
- Faculty of Agriculture, Meijo University, 1-501 Shiogamaguchi, Nagoya 468-8502, Japan
| | - Keerthi S Guruge
- Pathology and Pathophysiology Research Division, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba 305-0856, Japan.
| | - Miyako Yoshioka
- Pathology and Pathophysiology Research Division, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba 305-0856, Japan
| | - Noriko Yamanaka
- Pathology and Pathophysiology Research Division, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba 305-0856, Japan
| | - Masato Akiba
- Bacterial and Parasitic Disease Research Division, National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba 305-0856, Japan
| | - Natesan Munuswamy
- Unit of Aquaculture & Cryobiology, Department of Zoology, University of Madras, Chennai 600025, India
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