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Son JY, Khuman SN, Park MK, Lee HY, Kim CS, Lee IS, Choi SD. Distributions of PCDD/Fs, PCBs, and PCNs in coastal sediments collected from major industrial bays in South Korea. Mar Pollut Bull 2024; 200:116160. [PMID: 38377865 DOI: 10.1016/j.marpolbul.2024.116160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 01/26/2024] [Accepted: 02/10/2024] [Indexed: 02/22/2024]
Abstract
Polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs), polychlorinated biphenyls (PCBs), and polychlorinated naphthalenes (PCNs) were assessed in coastal sediments from industrial bays in South Korea to evaluate the pollution levels and their environmental impact. The mean sediment concentrations of Σ17 PCDD/Fs, Σ18 PCBs, and Σ15 PCNs were 198 ± 140, 3427 ± 7037, and 85 ± 336 pg/g dw, respectively. Generally, pollutant concentrations in the inner bay were higher than those in the outer bay, indicating the influence of industrial emissions and harbor activities. The primary sources were identified as steel manufacturing and wastewater treatment plants for PCDD/Fs, harbor and shipbuilding activities for PCBs, and combustion-related sources for PCNs. Notably, PCDD/F concentrations exceeded sediment guideline values. The combined effects of PCDD/Fs and PCBs demonstrated adverse impacts on aquatic organisms. Hence, the release of toxic pollutants into the marine environment could have potential biological effects due to the combined impact of these various compounds.
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Affiliation(s)
- Ji-Young Son
- Department of Civil, Urban, Earth, and Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Sanjenbam Nirmala Khuman
- Department of Civil, Urban, Earth, and Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Min-Kyu Park
- Department of Civil, Urban, Earth, and Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Ho-Young Lee
- Department of Civil, Urban, Earth, and Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Chul-Su Kim
- UNIST Environmental Analysis Center (UEAC), Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - In-Seok Lee
- Southeast Sea Fisheries Research Institute, National Institute of Fisheries Science (NIFS), Tongyeong 53085, Republic of Korea
| | - Sung-Deuk Choi
- Department of Civil, Urban, Earth, and Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea; UNIST Environmental Analysis Center (UEAC), Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
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2
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Lei R, Liu W, He Y, Jia T, Li C, Su W, Xing Y. Spatial distributions, behaviors, and sources of PCDD/Fs in surface water and sediment from the Yangtze River Delta. Environ Res 2024; 251:118540. [PMID: 38401685 DOI: 10.1016/j.envres.2024.118540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 02/26/2024]
Abstract
The Yangtze River Delta (YRD), one of the most economically developed and industrialized regions in China, is confronted with challenges arising from rapid urbanization, particularly environmental pollution. The collection of surface water and sediment samples from forty-nine sites in the YRD was conducted to analyze 2378-substituted polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) congeners. The detected concentrations of PCDD/Fs were 0-5.3 pg TEQ/L in water and 0.12-1493 pg TEQ/g dw in sediment. The PCDD/Fs contamination in the sediment was widespread in the YRD. There were variations in the congener characteristics of PCDD/Fs in surface water and sediment. The proportion of OCDD was significantly lower in surface water samples compared to sediment, while the less chlorine-substituted homologs were found in larger proportions. To understand the partitioning and behavior of dioxins within the water-sediment system, we calculated the organic carbon normalized partition coefficients and fugacity fraction (ff) of PCDD/F congeners. The results revealed that the PCDD/Fs had not attained a state of distributional equilibrium, and the non-specific hydrophobic effect seemed minimally influential on their partitioning between sediment and water. The average ff values, which varied between 0.06 and 0.63, indicated differing migration directions for the PCDD/F congeners. Source identification analysis provided evidence that the dioxins in the river water were primarily attributed to industrial thermal processes. Iron and steel smelting, along with pesticide production and use, were likely responsible for the sediment contamination. This comprehensive analysis underscores the complex nature of PCDD/Fs pollution in the YRD and highlights the necessity for targeted environmental management strategies.
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Affiliation(s)
- Rongrong Lei
- School of Energy and Environmental Engineering, The University of Science and Technology Beijing, Beijing, 100083, China
| | - Wenbin Liu
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 101408, China; Research Center for Eco-Environmental Sciences, Beijing, 100085, China; Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China.
| | - Yunchen He
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 101408, China; Research Center for Eco-Environmental Sciences, Beijing, 100085, China
| | - Tianqi Jia
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 101408, China; Research Center for Eco-Environmental Sciences, Beijing, 100085, China
| | - Changliang Li
- Research Center for Eco-Environmental Sciences, Beijing, 100085, China
| | - Wei Su
- School of Energy and Environmental Engineering, The University of Science and Technology Beijing, Beijing, 100083, China.
| | - Yi Xing
- School of Energy and Environmental Engineering, The University of Science and Technology Beijing, Beijing, 100083, China
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Theodorakis CW, Meyer MA, Okay O, Yakan SD, Schramm KW. Contamination acts as a genotype-dependent barrier to gene flow, causing genetic erosion and fine-grained population subdivision in Mussels from the Strait of Istanbul. Ecotoxicology 2024; 33:47-65. [PMID: 38182932 DOI: 10.1007/s10646-023-02725-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/13/2023] [Indexed: 01/07/2024]
Abstract
This study provides evidence of fine-grained genetic structuring in Mediterranean mussels (Mytilus galloprovincialis) from the Strait of Istanbul, caused by barriers to gene flow via contaminant-mediated selection. In this study, mitochondrial D-loop sequences were analyzed in mussels from 8 localities, all less than 30 kilometers apart, with differing contaminant loads. The results were: 1) Intra-population genetic differentiation (ΦST) between sites with high and low contaminant loads was high (up to 0.459), even at distances of only a few kilometers. 2) Genetic diversity was negatively correlated with the contaminant load ("genetic erosion"). 3) There was evidence of selection, based on haplotype frequencies and neutrality tests (Tajima's D), with purifying selection at the most contaminated site and balancing selection at the least contaminated. 4) Genetic distance was not correlated with geographic distance (no isolation-by-distance), but was correlated with contaminant load at each site. 5) Population dendrograms and Bayesian estimators of migration indicated that gene flow between sites was affected by contamination. For the dendrograms of the sampling sites, the clades clustered according to contaminant load more than geographic distance. Overall, these results suggest that 1) contamination may serve as a genotype-dependent dispersal barrier (i.e., contamination may not affect total number of migrants, just the relative proportions of the haplotypes in the established immigrants), leading strong population differentiation over short distances, and 2) genetic erosion may occur by a combination of selection and altered patterns of haplotype-specific gene flow. These effects may be more pronounced in the Strait of Istanbul than in other locations because of the riverine nature and strong, uni-directional current of the strait.
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Affiliation(s)
- Christopher W Theodorakis
- Department of Environmental Sciences, Southern Illinois University Edwardsville, Edwardsville, IL, 62026-1099, USA.
- Department of Biological Sciences, Southern Illinois University Edwardsville, Edwardsville, IL, 62026-1651, USA.
| | - Mary-Ann Meyer
- Department of Biological Sciences, Southern Illinois University Edwardsville, Edwardsville, IL, 62026-1651, USA
| | - Oya Okay
- Faculty of Naval Architecture and Ocean Engineering, Istanbul Technical University, Maslak, Sarıyer, 34469, Istanbul, Turkey
| | - Sevil Deniz Yakan
- Faculty of Naval Architecture and Ocean Engineering, Istanbul Technical University, Maslak, Sarıyer, 34469, Istanbul, Turkey
| | - Karl-Werner Schramm
- Molecular EXposomics, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstraße 1, 85764, Neuherberg, Germany
- Department für Biowissenschaften, TUM, Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt, Weihenstephaner Steig 23, 85350, Freising, Germany
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Canlı O, Guzel B, Karademır A. Determination of PCDD/F and DL-PCB pollution levels, source appointment and risk assessment of surface sediments in dam lakes in Istanbul, Türkiye. Environ Sci Pollut Res Int 2022; 29:90923-90935. [PMID: 35881293 DOI: 10.1007/s11356-022-22244-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
The current situation of the water resources of Istanbul, which is one of the important metropolises of Europe, should be known and constantly monitored by the reasons of the rapid increase in the city population, the acceleration of production-related industrial activities, the expansion of the city with construction activities, and the decrease in precipitation. The purpose of this study was to reveal the situations of surface sediments collected from Istanbul water reservoirs in terms of PCDD/Fs and DL-PCBs, to identify possible sources, and to conduct their ecological risk assessment. Total PCDD/Fs and DL-PCBs concentrations varied between 28.13 and 457.4 pg/g (average 136.8 pg/g) and 12.19-340.1 pg/g (average 72.09 pg/g). The corresponding TEQ values of PCDD/Fs and DL-PCBs were between 0.53 and 5.37 pg TEQ/g (average 2.23 pg TEQ/g) and 0.02-0.44 pg TEQ/g (average 0.12 pg TEQ/g), respectively. Octachlorodibenzo-p-dioxin (OCDD) is the dominant congener by constituting about 75% of the total PCDD/Fs on average, while congener distributions of DL-PCBs showed the dominance of PCB-118 and PCB-105. The sediments taken from Kazandere dam have the lowest pollution levels for both PCDD/Fs and DL-PCBs. The highest PCDD/F and DL-PCB amounts were measured in sediments of Alibey and Elmalı dams (closest to highly populated settlements of Istanbul), which are most affected by the air pollution caused by the traffic, commercial/industrial combustion (like waste incineration facility) and combustion for residential heating. Almost all the sediments have total dioxin-like toxicity levels higher than the safe threshold level (with two exceptions) of 0.85 pg TEQ/g dw, proposed for ecological risk. Health risk assessment shows that levels of dioxin-like compounds would result in a total intake of 0.33 pg TEQ/kg bw/day even in the worst-case scenario, not exceeding the tolerable daily intake value of 1 pg TEQ/kg bw/day. Among exposure pathways, consumption of fish constitutes almost all the total intake, while contributions of other pathways are minimal.
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Affiliation(s)
- Oltan Canlı
- Water Management and Treatment Technologies Research Group, Climate Change and Sustainability Vice Presidency, TUBITAK Marmara Research Center, Gebze, 41470, Kocaeli, Türkiye
| | - Barış Guzel
- Water Management and Treatment Technologies Research Group, Climate Change and Sustainability Vice Presidency, TUBITAK Marmara Research Center, Gebze, 41470, Kocaeli, Türkiye.
| | - Aykan Karademır
- Department of Environmental Engineering, Faculty of Engineering, University of Kocaeli, İzmit, 41100, Kocaeli, Türkiye
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Birtek RI, Karpuzcu ME, Ozturk I. Occurrence of priority substances in urban wastewaters of Istanbul and the estimation of the associated risks in the effluents. Environ Monit Assess 2022; 194:426. [PMID: 35552554 DOI: 10.1007/s10661-022-09840-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 01/29/2022] [Indexed: 06/15/2023]
Abstract
Increase in the contamination of the aquatic environments is a global challenge; hence, understanding the sources of priority substances (PSs) is essential. In an attempt to implement this principle, a year-long monitoring covering all seasons was carried out in the influents and effluents of four largest wastewater treatment plants (WWTPs) in Istanbul. Results obtained showed the presence of 48 PSs (66% of the target compounds) including pesticides, polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs), dioxins and dioxin-like compounds (DLCs), alkylphenols, phthalates, and metals ranging from low nanograms to micrograms per liter. Priority hazardous substances that were banned for long were still found to be present in wastewaters. PAHs, DLCs, alkylphenols, and metals were found to be present in all samples. Di(2-ethylhexyl) phthalate (DEHP) and DLCs were detected in more than 80% of the influent samples. Trichloromethane had the highest concentrations among the most frequently (80-100%) detected PSs in the influents and effluents. The potential risks that may arise from WWTP effluents containing PSs were estimated by calculating the risk quotients (RQs). Upon the risk estimation conducted on the PSs in effluents, monitoring of the endrin, alpha-cypermethrin, theta-cypermethrin, zeta-cypermethrin, quinoxyfen, bifenox, benzo-ghi-perylene, and DEHP is recommended for the WWTP effluents.
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Affiliation(s)
- Rahime Iclal Birtek
- Istanbul Water and Sewage Administration, HQ Directorate General, Eyüpsultan, 34060, Istanbul, Turkey.
- Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey.
| | - Mahmut Ekrem Karpuzcu
- Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
| | - Izzet Ozturk
- Istanbul Water and Sewage Administration, HQ Directorate General, Eyüpsultan, 34060, Istanbul, Turkey
- Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
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Agus S, Akkaya H, Daglioglu N, Eyuboglu S, Atasayan O, Mete F, Colak C, Sandal S, Yilmaz B. Polychlorinated biphenyls and organochlorine pesticides in breast milk samples and their correlation with dietary and reproductive factors in lactating mothers in Istanbul. Environ Sci Pollut Res Int 2022; 29:3463-3473. [PMID: 34386925 DOI: 10.1007/s11356-021-15863-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 08/04/2021] [Indexed: 06/13/2023]
Abstract
Persistent organic pollutants (POPs) continue to threaten the environment and human health. We have investigated levels of polychlorinated biphenyls (PCBs) and organochlorinated pesticides (OCPs) in breast milk samples. A questionnaire was also obtained from the study participants. A total of 48 healthy lactating mothers (mean age: 29.5±0.8 years) living in Istanbul volunteered to participate in this study. High-resolution analyses of several OCPs and PCB congeners were done by gas chromatography. The levels of seven major PCB congeners (28, 52, 101, 118, 138, 153, and 180) and eight OCPs (α-benzenehexachloride, β-benzenehexachloride, δ-benzenehexachloride, hexachlorobenzene (HCB), and 2,4'-dichlorodiphenyldichloroethylene (2,4DDE), 4,4'-dichlorodiphenyldichloroethylene (4,4DDE), 2,4'-dichlorodiphenyltrichloroethane (2,4DDT), and 4,4'-dichlorodiphenyltrichloroethane (4,4DDT)) were determined. The analysis showed that the highest levels of PCBs were observed in PCB 52 (22.99±8.78 ng/g lipid), PCB 101 (12.22±7.8 ng/g lipid), PCB 28 (11.44±5.16 ng/g lipid), and PCB 153 (1.70±0.74 ng/g lipid). The highest OCPs detected were 4,4DDT (3.33±2.05 ng/g lipid) and 4,4DDE (0.86 ± 0.39 ng/g lipid), and the lowest was observed in HCB (0.016 ± 0.01 ng/g lipid). Our findings show that traces of PCBs and OCPs are still present in breast milk of lactating women living in Istanbul, and these pollutants decline in multipara women compared to primipara mothers. We also suggest that breast milk is a useful and representative biological tool for human biomonitoring of POPs.
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Affiliation(s)
- Sami Agus
- Faculty of Medicine, Department of Physiology, Yeditepe University, 34755, Atasehir, Istanbul, Turkey
| | - Hatice Akkaya
- Faculty of Pharmacy, Department of Biochemistry , University of Health Sciences, Istanbul, Turkey
| | - Nebile Daglioglu
- Faculty of Medicine, Department of Forensic Medicine, Cukurova University, Adana, Turkey
| | - Signem Eyuboglu
- Faculty of Medicine, Department of Physiology, Yeditepe University, 34755, Atasehir, Istanbul, Turkey
| | - Ozge Atasayan
- Faculty of Medicine, Department of Physiology, Yeditepe University, 34755, Atasehir, Istanbul, Turkey
| | - Fatih Mete
- Department of Pediatrics, Kanuni Sultan Suleyman Training & Research Hospital, Istanbul, Turkey
| | - Cemil Colak
- Faculty of Medicine, Department of Physiology, Inonu University, Malatya, Turkey
| | - Suleyman Sandal
- Faculty of Medicine, Department of Physiology, Inonu University, Malatya, Turkey
| | - Bayram Yilmaz
- Faculty of Medicine, Department of Physiology, Yeditepe University, 34755, Atasehir, Istanbul, Turkey.
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Dinç B, Çelebi A, Avaz G, Canlı O, Güzel B, Eren B, Yetis U. Spatial distribution and source identification of persistent organic pollutants in the sediments of the Yeşilırmak River and coastal area in the Black Sea. Mar Pollut Bull 2021; 172:112884. [PMID: 34454391 DOI: 10.1016/j.marpolbul.2021.112884] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/15/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
Surface sediments from the Yeşilırmak River and the near coastal area in the Black Sea were collected using sediment traps to assess the spatial distributions of persistent organic pollutants and find their potential sources. Analyses were carried out to determine the concentrations of the persistent organic pollutants of seventeen polychlorinated dibenzo-p-dioxins and dibenzofurans, sixteen polycyclic aromatic hydrocarbons, seven polychlorinated biphenyls, and eight organochlorine pesticides using high-resolution gas chromatography-mass spectrometry and gas chromatography-tandem mass spectrometry systems. Analysis showed that the three main components of persistent organic pollutants (polychlorinated dibenzo-p-dioxins and dibenzofurans, polycyclic aromatic hydrocarbons, and organochlorine pesticides) primary sources are industrial activities. In addition, the widespread occurrence of persistent organic pollutants in the watershed surface sediments taken from the Yeşilırmak River basin showed that agricultural and urban areas are also diffuse persistent organic pollutants sources.
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Affiliation(s)
- Burak Dinç
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, Kocaeli 41470, Turkey
| | - Ahmet Çelebi
- Environmental Engineering Department, Sakarya University, Sakarya 54187, Turkey.
| | - Gülsen Avaz
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, Kocaeli 41470, Turkey
| | - Oltan Canlı
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, Kocaeli 41470, Turkey
| | - Bariş Güzel
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, Kocaeli 41470, Turkey
| | - Beytullah Eren
- Environmental Engineering Department, Sakarya University, Sakarya 54187, Turkey
| | - Ulku Yetis
- Environmental Engineering Department, Middle East Technical University, Inönü Bulvari, Ankara 06800, Turkey
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Künili İE, Çolakoğlu S, Çolakoğlu F. Levels of PAHs, PCBs, and toxic metals in Ruditapes philippinarum and Donax trunculus in Marmara Sea, Turkey. J Sci Food Agric 2021; 101:1167-1173. [PMID: 32789853 DOI: 10.1002/jsfa.10728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 07/29/2020] [Accepted: 08/12/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The manila clam Ruditapes philippinarum and the wedge clam Donax trunculus are economic bivalve species which constitute an important part of the natural bivalve beds in the Marmara Sea, Turkey. Toxic chemicals such as, dioxins, dioxin-like polychlorinated biphenyls (PCBs), polycyclic hydrocarbons (PAHs), and toxic metals are recognized as important health risk factors that threaten public health via food or directly in the environment. In the present study, we aimed to determine and monitor levels of these toxic chemicals in both clam species, R. philippinarum and D. trunculus, between 2013 and 2017. RESULTS According to the results, maximum levels of dioxins, PAHs, and toxic metals (lead, cadmium, mercury) during the period were determined as 0.18 pg g-1 , 2.43 mg kg-1 , and 0.44-0.53-0.1 mg kg-1 , respectively. The level of contaminants in both clam species were determined to be below the threshold or tolerable daily intake values established by the European Commission, European Food Safety Authority (EFSA), and Food and Agriculture Organization/World Health Organization (FAO/WHO). Seasonal fluctuations were observed to be similar in both species and also in seasons, but elevated levels of PCBs and PAHs were detected in warmer months during the period. CONCLUSION As a consequence, toxic chemicals in both clam species were found at low concentrations in this study from the point of view of public health concerns; however, the contaminants should be closely monitored in the future due to their elevated levels in samples. © 2020 Society of Chemical Industry.
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Affiliation(s)
- İbrahim E Künili
- Faculty of Marine Sciences and Technology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Serhat Çolakoğlu
- Vocational School of Technical Sciences, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Fatma Çolakoğlu
- School of Applied Sciences, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
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Yurdakul O, Kucuksezgin F. Levels and distribution of polychlorinated biphenyls in two edible fish species from Izmir Bay (eastern Aegean): a health risk assessment. Environ Sci Pollut Res Int 2020; 27:25069-25081. [PMID: 32347490 DOI: 10.1007/s11356-020-08604-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
The concentrations of polychlorinated biphenyl (PCB) congeners were examined in two fish species from the Izmir Bay. A total of 624 individuals of different fish samples were sampled by trawling from three regions in Izmir Bay between 2010 and 2013. The total levels of indicator PCBs in all samples varied LOD (limit of detection) to 34.3 ng g-1 (dry weight) in the study area. The highest concentrations of PCBs were found in Gulbahce for Mullus barbatus and Diplodus annularis in 2011 and 2010, respectively. PCB153 was the major contributed congener in both fish species during sampling periods. Principal component analysis (PCA) was performed to evaluate the correlation of the determined variables in fish species. According to PCA, the PCBs are not related with fish length. One-way ANOVA test indicated that significant temporal variations were generally detected for PCBs, while non-significant spatial variations were examined between sampling sites. Six PCB congeners were found as 0.59-6.64 ng g-1 (wet weight, wwt) and compared with iPCB6 limits of 75 ng g-1 (wwt) revealed by the Environmental Food Safety Authority. Accordingly, all fish species analyzed did not surpass the safe limits of iPCB6 suggested by EU. The estimated daily intake of 6 PCB congeners by the people were less than the tolerable daily intake (TDI, 10-ng kg-1 body weight day-1) recommended by WHO (2003), suggesting that this intake would not cause adverse effects to residents of Izmir.
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Affiliation(s)
- Onur Yurdakul
- Drug Research, Development and Pharmacokinetic Applications (ARGEFAR) Center, Aegean University, Bornova, 35100, Izmir, Turkey
- Dokuz Eylul University The Graduate School of Natural and Applied Sciences, Tınaztepe Campus, Buca, 35160, Izmir, Turkey
| | - Filiz Kucuksezgin
- Institute of Mar. Sci. and Technol, Dokuz Eylul University, Inciralti, 35340, Izmir, Turkey.
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Elskus AA, LeBlanc LA, Latimer JS, Page DS, Harding GCH, Wells PG. Monitoring chemical contaminants in the Gulf of Maine, using sediments and mussels (Mytilus edulis): An evaluation. Mar Pollut Bull 2020; 153:110956. [PMID: 32275520 PMCID: PMC10775826 DOI: 10.1016/j.marpolbul.2020.110956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/28/2020] [Accepted: 02/03/2020] [Indexed: 06/11/2023]
Abstract
The objective of this paper is to determine whether contaminant data on mussels and sediments can be used interchangeably, or not, when assessing the degree of anthropogenic contamination of a water body. To obtain adequate coverage of the entire Gulf of Maine, Bay of Fundy sediment samples were collected, analyzed and combined with similar data from four coastal monitoring programs. This required careful interpretation but provided robust results consistent with published literature. A strong correspondence was found between sediment and mussel concentrations for polycyclic aromatic hydrocarbons, moderate to weak correspondence for polychlorinated biphenyls, and except for mercury and zinc, little to no correspondence was found for metals. We conclude that mussel contaminant data are likely sufficient for providing information on the spatial and temporal distribution of chemical contaminants, in coastal waters, under a broad range of environmental conditions and contaminant levels, and unlike sediments, provide direct information on contaminant bioavailability.
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Affiliation(s)
- Adria A Elskus
- US Geological Survey, Leetown Science Center, S.O. Conte Anadromous Fish Research Laboratory, Turners Falls, MA, USA.
| | | | - James S Latimer
- US Environmental Protection Agency, Office of Research and Development, CEMM Atlantic Coastal Environmental Sciences Division, Narragansett, RI, USA
| | - David S Page
- Bowdoin College, Chemistry Department, Brunswick, ME, USA
| | - Gareth C H Harding
- Fisheries and Oceans, Bedford Institute of Oceanography, Dartmouth, NS, Canada
| | - Peter G Wells
- International Ocean Institute - Canada, Dalhousie University, Halifax, NS, Canada
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11
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Kim EK, Barghi M, Choi M, Moon HB. Spatial and temporal trends of PCDD/Fs in sediment and bivalves along the Korean coasts during 2001-2012. Mar Pollut Bull 2019; 146:183-189. [PMID: 31426145 DOI: 10.1016/j.marpolbul.2019.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 05/29/2019] [Accepted: 06/01/2019] [Indexed: 06/10/2023]
Abstract
Concentrations of polychlorinated dibenzo-para-dioxins and dibenzofurans (PCDD/Fs) were measured in sediment and bivalves at 25 locations along the Korean coasts during 2001-2012. Concentrations of PCDD/Fs in sediment and bivalves ranged from 0.15 to 18.9 pg TEQ/g dry weight and from 0.06 to 7.70 pg TEQ/g wet weight, respectively. Elevated PCDD/F concentrations were found at locations close to largest industrial complexes and commercial harbors. A significant decreasing trend of PCDD/Fs in sediment was associated with strong regulation of PCDD/Fs, whereas levels in bivalves did not show a decreasing trend. Octachlorinated dibenzo-p-dioxin (OCDD) was predominant in sediment, while tetrachlorinated dibenzofuran and OCDD were predominant in bivalves. Almost half (46%) of sediment samples exceeded the threshold effect level suggested by the US National Oceanic and Atmospheric Administration, implying ecotoxicological risks to benthic organisms. Our findings support the effectiveness of legislative action on PCDD/Fs for coastal environments of Korea.
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Affiliation(s)
- Eun-Kyo Kim
- Department of Marine Science and Convergence Engineering, Hanyang University, Ansan 15588, Republic of Korea; Neo Environmental Business (NeoEnBiz) Co, Bucheon 14523, Republic of Korea
| | - Mandana Barghi
- Department of Marine Science and Convergence Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Minkyu Choi
- Marine Environment Research Division, National Institute of Fisheries Science (NIFS), Busan 46083, Republic of Korea
| | - Hyo-Bang Moon
- Department of Marine Science and Convergence Engineering, Hanyang University, Ansan 15588, Republic of Korea.
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12
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Rodil R, Villaverde-de-Sáa E, Cobas J, Quintana JB, Cela R, Carro N. Legacy and emerging pollutants in marine bivalves from the Galician coast (NW Spain). Environ Int 2019; 129:364-375. [PMID: 31150978 DOI: 10.1016/j.envint.2019.05.018] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 05/08/2019] [Accepted: 05/08/2019] [Indexed: 06/09/2023]
Abstract
The presence of pollutants in estuary and oceanic systems is a global problem and a serious concern to human and environmental health. Usually, environmental monitoring studies consider classical persistent organic pollutants (POPs). However, the lists of POPs keep continuously growing and new POPs and other emerging pollutants should be considered in new monitoring programs. So, this study aimed to investigate the distribution and profile of classical POPs (polychlorinated biphenyl (PCBs), organochlorine pesticides (OCPs), and polycyclic aromatic hydrocarbons (PAHs)), new POPs and emerging pollutants (polybrominated diphenyl ethers (PBDEs), perfluorinated compounds (PFCs), novel halogenated flame retardants (NFRs) and UV filters) in bivalve mollusc samples (both raft-cultivated and wild mussel, Mytilus galloprovincialis; cockle, Cerestoderma edule; and clam, Ruditapes descussatus) collected in nine Galician Rias during the period February 2012 to February 2013. A predominance of PAHs (6.8-317 ng/g dry weight (dw)) followed by PCBs (0.47-261 ng/g dw), UV filters (1.4-157 ng/g dw), PFCs (0.53-62 ng/g dw), OCPs (0.07-29 ng/g dw), PBDEs (0.31-6.6 ng/g dw) and NFRs (0.07-3.2 ng/g dw) was found in the studied bivalves, being the UV filter octocrylene the compound found at the highest concentration (141 ng/g dw in a cockle sample), while the PAHs chrysene and benzo(b)fluoranthene were the compounds with the highest average concentration (20 and 14 ng/g dw, respectively). Inter-species, temporal and geographical variations on pollutants concentration were assessed by multifactorial analysis of variance. Statistically significant differences among the type of mollusc were observed for levels of organochlorinated and organobrominated pollutants considered (PCBs, OCPs and PBDEs), which were detected at higher concentrations in wild mussel. On the other hand, the main PFCs and UV filters showed a higher detection frequency in cockle samples. Location played significant role for PAHs, PCBs and the main PBDEs, being the most polluted rias those more industrialized and populated, i.e. A Coruña, Ferrol and/or Vigo. Finally, sampling timepoint was also a significant factor for most of the families considered but with different profiles. Thus, PAHs and PCBs showed higher concentrations in both February 2012 and 2013 and lower in August 2012, while the main PBDEs were measured at higher concentrations in November 2012 and lower in February 2012; and the main NFRs, PFCs and UV filters were present at lower levels in February 2013.
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Affiliation(s)
- Rosario Rodil
- Department of Analytical Chemistry, Nutrition and Food Sciences, IIAA - Institute for Food Analysis and Research, Universidade de Santiago de Compostela, Constantino Candeira S/N, 15782 Santiago de Compostela, Spain.
| | - Eugenia Villaverde-de-Sáa
- Department of Analytical Chemistry, Nutrition and Food Sciences, IIAA - Institute for Food Analysis and Research, Universidade de Santiago de Compostela, Constantino Candeira S/N, 15782 Santiago de Compostela, Spain
| | - Julio Cobas
- INTECMAR (Technological Institute for the Monitoring of the Marine Environment in Galicia), Peirao de Vilaxoán S/N, 36611 Vilagarcía de Arousa, Spain
| | - José Benito Quintana
- Department of Analytical Chemistry, Nutrition and Food Sciences, IIAA - Institute for Food Analysis and Research, Universidade de Santiago de Compostela, Constantino Candeira S/N, 15782 Santiago de Compostela, Spain
| | - Rafael Cela
- Department of Analytical Chemistry, Nutrition and Food Sciences, IIAA - Institute for Food Analysis and Research, Universidade de Santiago de Compostela, Constantino Candeira S/N, 15782 Santiago de Compostela, Spain
| | - Nieves Carro
- INTECMAR (Technological Institute for the Monitoring of the Marine Environment in Galicia), Peirao de Vilaxoán S/N, 36611 Vilagarcía de Arousa, Spain.
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13
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Ssebugere P, Sillanpää M, Matovu H, Mubiru E. Human and environmental exposure to PCDD/Fs and dioxin-like PCBs in Africa: A review. Chemosphere 2019; 223:483-493. [PMID: 30784755 DOI: 10.1016/j.chemosphere.2019.02.065] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/05/2019] [Accepted: 02/10/2019] [Indexed: 06/09/2023]
Abstract
This paper reviews literature for the last two decades with emphasis on levels, toxic equivalencies and sources of polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) in Africa. Further, we comprehensively analysed data, interpret differences and identify existing gaps with those from other continents. We observed that high levels of PCDD/Fs and dl-PCBs were reported in environmental and biological samples near densely populated urban and industrialised areas compared to those in rural settings. In general, the concentrations of PCDD/Fs and dl-PCBs in the blood samples from Africa were in the same range as those from Asia but lower than those from Europe. The concentrations of dioxins and dioxin-like compounds in the atmosphere in Africa were comparable to and/or higher than those in developed countries. The reported sources of PCDD/Fs and dl-PCBs in Africa were industrial emissions, obsolete pesticide stockpiles, household heating, recycling of electronic waste, and incineration and combustion of domestic waste. Regional and intercontinental transport of dioxins could not be confirmed because of the lack of sufficient literature on them. Further data about the levels and sources of PCDD/Fs and dl-PCBs in Africa need to be generated to complete the chemical inventories for the continent and to facilitate the implementation of the Stockholm Convention on persistent organic pollutants. The reviewed literature shows that most analyses have been carried out in laboratories outside Africa because of the limited institutional capacity in Africa. More support needs to be given to laboratories in Africa to develop the capacity to accurately quantify dioxins on routine basis.
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Affiliation(s)
- Patrick Ssebugere
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda.
| | - Mika Sillanpää
- Laboratory of Green Chemistry, Lappeenranta University of Technology, Sammonkatu 12, 50130, Mikkeli, Finland
| | - Henry Matovu
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda; Laboratory of Green Chemistry, Lappeenranta University of Technology, Sammonkatu 12, 50130, Mikkeli, Finland; Department of Chemistry, Gulu University, P. O. Box 166, Gulu, Uganda
| | - Edward Mubiru
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda
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Metelkova L, Zhakovskaya Z, Kukhareva G, Rybalko A, Nikiforov V. Occurrence of PCDD/PCDFs, dioxin-like PCBs, and PBDEs in surface sediments from the Neva River and the Eastern Gulf of Finland (Russia). Environ Sci Pollut Res Int 2019; 26:7375-7389. [PMID: 29808409 DOI: 10.1007/s11356-018-1945-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 04/03/2018] [Indexed: 06/08/2023]
Abstract
A total of 26 samples of surface sediments collected in the Neva River (including the St. Petersburg city area) and in the Russian part of the Gulf of Finland were analyzed for 17 polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans (PCDD/Fs), 12 dioxin-like polychlorinated biphenyls (dl-PCBs), and 10 polybrominated diphenyl ethers (PBDEs). The concentrations of total PCDD/Fs and dl-PCBs in sediments ranged from < 0.05 to 219 pg g-1 d.w. and from 44 to 246,600 pg g-1 d.w. respectively. The total World Health Organization toxic equivalent (WHO-TEQPCDD/F + PCB) values varied between 0.01 and 59.0 pg g-1. In the majority of cases, the PCDD/F and dl-PCB concentrations do not exceed the threshold effect level (TEL) recommended by Helsinki Commission (HELCOM) as quantitative target for the sum of PCDD/Fs and dl-PCBs. The congener profile indicates that combustion is the primary source of PCDD/Fs in most of the studied samples. For the PCBs, the historical use of technical PCB products was identified as the major source. ΣPBDE10 concentrations ranged from 0.004 to 1.8 ng g-1 d.w. The congener profile results show that BDE-47 (tetra-BDE) is the dominant congener in sediment samples. According to the sediment and water quality guidelines established in the EU (PNEC) and in Canada (FEQG), all the samples studied can be classified as lowly contaminated by PBDEs. The sediment concentrations of PCDD/Fs, dl-PCBs, and PBDEs measured in this study were comparable to or lower than those reported for other areas of the Baltic Sea.
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Affiliation(s)
- Larisa Metelkova
- Institution of Russian Academy of Sciences Saint-Petersburg Scientific-Research Centre for Ecological Safety, 18, Korpusnaya str, St. Petersburg, Russia, 197110.
| | - Zoya Zhakovskaya
- Institution of Russian Academy of Sciences Saint-Petersburg Scientific-Research Centre for Ecological Safety, 18, Korpusnaya str, St. Petersburg, Russia, 197110
| | - Galina Kukhareva
- Institution of Russian Academy of Sciences Saint-Petersburg Scientific-Research Centre for Ecological Safety, 18, Korpusnaya str, St. Petersburg, Russia, 197110
| | - Alexander Rybalko
- Saint Petersburg University, University Embankment 7/9, St. Petersburg, Russia, 199034
| | - Vladimir Nikiforov
- Institution of Russian Academy of Sciences Saint-Petersburg Scientific-Research Centre for Ecological Safety, 18, Korpusnaya str, St. Petersburg, Russia, 197110
- Norwegian Institute for Air Research (NILU), Hjalmar Johansens gate 14, Tromsø, Norway
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Arıkan K, Arıkan ZY, Turan SL. Persistent Organochlorine Contaminant Residues in Tissues of Hedgehogs from Turkey. Bull Environ Contam Toxicol 2018; 100:361-368. [PMID: 29333580 DOI: 10.1007/s00128-018-2272-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 01/05/2018] [Indexed: 06/07/2023]
Abstract
The residues of persistent organochlorinated pollutants (POPs), namely polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) (HCHs, CHLs, HCCPs, DDTs, and dicofol congeners) were investigated in the hair and muscle of road-killed Erinaceus roumanicus and E. concolor in Turkey. Mean residue levels were as follows: in hair, PCBs = 7.43 ± 4.88 ng/g and OCPs = 9.21 ± 1.27 ng/g; in muscle, PCBs = 30.73 ± 2.51 ng/g and OCPs = 145.04 ± 16.59 ng/g. There was no significant difference between species and sex, while there was significant difference between habitats and regions in terms of either total PCB and OCP levels, or POP levels (p < 0.05). Age was a determinative factor for the bio-accumulation of POPs. The contaminant levels were high in the species, sample areas, and habitats. The data also showed that tissues of hedgehogs are suitable for monitoring and evaluating the bioaccumulation of POP levels in Turkey.
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Affiliation(s)
- Kalender Arıkan
- Pesticide Research and References Laboratory, Department of Biology Education, Faculty of Education, Hacettepe University, Beytepe Campus, Ankara, Turkey.
| | - Zeynep Yaşar Arıkan
- Department of Biology, Faculty of Science, Ankara University, Tandoğan Campus, Ankara, Turkey
| | - Salih Levent Turan
- Pesticide Research and References Laboratory, Department of Biology Education, Faculty of Education, Hacettepe University, Beytepe Campus, Ankara, Turkey
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Neira C, Vales M, Mendoza G, Hoh E, Levin LA. Polychlorinated biphenyls (PCBs) in recreational marina sediments of San Diego Bay, southern California. Mar Pollut Bull 2018; 126:204-214. [PMID: 29421090 DOI: 10.1016/j.marpolbul.2017.10.096] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 10/20/2017] [Accepted: 10/31/2017] [Indexed: 05/11/2023]
Abstract
Polychlorinated biphenyl (PCB) concentrations were determined in surface sediments from three recreational marinas in San Diego Bay, California. Total PCB concentrations ranged from 23 to 153, 31-294, and 151-1387ngg-1 for Shelter Island Yacht Basin (SIYB), Harbor Island West (HW) and Harbor Island East (HE), respectively. PCB concentrations were significantly higher in HE and PCB group composition differed relative to HW and SIYB, which were not significantly different from each other in concentration or group composition. In marina sediments there was a predominance (82-85%) of heavier molecular weight PCBs with homologous groups (6CL-7CL) comprising 59% of the total. In HE 75% of the sites exceeded the effect range median (ERM), and toxicity equivalence (TEQ dioxin-like PCBs) values were higher relative to those of HW and SIYB, suggesting a potential ecotoxicological risk.
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Affiliation(s)
- Carlos Neira
- Integrative Oceanography Division, Center for Marine Biodiversity and Conservation, Scripps Institution of Oceanography, La Jolla, CA, USA.
| | - Melissa Vales
- Graduate School of Public Health, San Diego State University, San Diego, CA, USA
| | - Guillermo Mendoza
- Integrative Oceanography Division, Center for Marine Biodiversity and Conservation, Scripps Institution of Oceanography, La Jolla, CA, USA
| | - Eunha Hoh
- Graduate School of Public Health, San Diego State University, San Diego, CA, USA
| | - Lisa A Levin
- Integrative Oceanography Division, Center for Marine Biodiversity and Conservation, Scripps Institution of Oceanography, La Jolla, CA, USA
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Ulusoy Ş, Özden Ö, Päpke O. Distribution of OCPs and PCBs in Mussels (Mytilus galloprovincialis) from the Marmara Sea Coastal Sites. Bull Environ Contam Toxicol 2016; 97:191-197. [PMID: 27329111 DOI: 10.1007/s00128-016-1848-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 06/06/2016] [Indexed: 06/06/2023]
Abstract
Mussel samples were collected monthly between October-2010 and October-2011 from four stations (Bosphorus, Bandırma, Gelibolu, Tekirdağ) in the Marmara Sea. Two consecutive months' samples were homogenized and combined as a single group for analysis. Mussel samples were analyzed for Organochlorine pesticides (OCPs); (total-DDT, total-HCH, Endrin, α-Endosulfan, β-Endosulfan, Heptachlor) and Polychlorinated biphenyls (PCBs); (PCB 28, PCB 52, PCB 138, PCB 153, and PCB 180). All analyses were done according to Eurofins house method in ERGO Laboratory in Germany. Concentrations of α-endosulfan and heptachlor in mussel tissues were below method detection limits. The annual average OCPs concentrations among the stations ranged between 0.02 and 1.45 ng/g (wet weight), 1.9-99.75 ng/g (lipid weight) whereas the annual average PCBs concentrations among the stations ranged between 0.03 and 0.40 ng/g (wet weight), 1.71-26.48 ng/g (lipid weight), respectively. There was no relation between fat content of mussels and residues of the contaminants. PCB 138 and PCB 153 were the most predominant PCBs, while total-DDT and total-HCH were the most predominant OCPs in the mussels. Total-DDT concentrations were higher compared to total-HCH and PCBs isomers. Measured levels were below the national and international committees' and institutions' limits for human consumption and protection of aquatic biota.
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Affiliation(s)
- Şafak Ulusoy
- Faculty of Fisheries, Department of Seafood Processing Technology and Safety, Istanbul University, Ordu st. No: 200, 34134, Laleli, Fatih, Istanbul, Turkey.
| | - Özkan Özden
- Faculty of Fisheries, Department of Seafood Processing Technology and Safety, Istanbul University, Ordu st. No: 200, 34134, Laleli, Fatih, Istanbul, Turkey
| | - Olaf Päpke
- Eurofins -ERGO Research, Neuländer Kamp 1, 21079, Hamburg, Germany
- Eurofins GfA Lab Service, Neuländer Kamp 1, 21079, Hamburg, Germany
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18
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Cibic T, Bongiorni L, Borfecchia F, Di Leo A, Franzo A, Giandomenico S, Karuza A, Micheli C, Rogelja M, Spada L, Del Negro P. Ecosystem functioning approach applied to a large contaminated coastal site: the study case of the Mar Piccolo of Taranto (Ionian Sea). Environ Sci Pollut Res Int 2016; 23:12739-12754. [PMID: 26162444 DOI: 10.1007/s11356-015-4997-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 06/30/2015] [Indexed: 06/04/2023]
Abstract
Knowledge on ecosystem functioning can largely contribute to promote ecosystem-based management and its application. The Mar Piccolo of Taranto is a densely populated area at a high risk of environmental crisis. Here, planktonic primary production (PP) and heterotrophic prokaryotic production (HPP) were measured as proxies of functioning in three sampling sites located in two inlets at different levels of industrial contamination, during three sampling surveys (June 2013, February and April 2014). To have a better overall view and provide some insights into the benthic-pelagic coupling, we integrated PP and HPP in the water column with those in the sediments and then discussed this with the origin of the organic matter pools based on analysis of stable isotopes. Heavy metals and polychlorobiphenyls (PCBs) were also analysed in the surface (1 cm) sediment layer and related to the overall ecosystem functioning. Multidimensional scaling (MDS) analysis, based on the main data, clearly separated the second inlet from the first one, more severely impacted by anthropogenic activities. The stable isotope mixing model suggested the prevalent terrestrial/riverine origin of the particulate organic matter pools (mean 45.5 %) in all sampling periods, whereas phytoplankton contributed up to 29 % in February. Planktonic PP and HPP rates followed the same pattern over the entire study period and seemed to respond to phytoplankton dynamics confirming this community as the main driver for the C cycling in the water column. On the contrary, benthic PP rates were almost negligible while HPP rates were lower or comparable to those in the water column indicating that although the Mar Piccolo is very shallow, the water column is much more productive than the surface sediments. The sediment resuspension is likely responsible for a pulsed input of contaminants into the water column. However, their interference with the proper functioning of the pelagic ecosystem seems to be limited to the bottom layers.
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Affiliation(s)
- Tamara Cibic
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Sezione Oceanografia, Via A. Piccard 54, 34151, Trieste, Italy.
| | - Lucia Bongiorni
- CNR-Istituto di Scienze Marine (ISMAR), Arsenale-Tesa 104, Castello 2737/F, 30122, Venezia, Italy
| | - Flavio Borfecchia
- ENEA Research Center Casaccia Roma, C.P. 2400/00123S. Maria di Galeria, Roma, Italy
| | - Antonella Di Leo
- Consiglio Nazionale delle Ricerche (CNR), Istituto per l'Ambiente Marino Costiero-IAMC, 74123, Taranto, Italy
| | - Annalisa Franzo
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Sezione Oceanografia, Via A. Piccard 54, 34151, Trieste, Italy
| | - Santina Giandomenico
- Consiglio Nazionale delle Ricerche (CNR), Istituto per l'Ambiente Marino Costiero-IAMC, 74123, Taranto, Italy
| | - Ana Karuza
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Sezione Oceanografia, Via A. Piccard 54, 34151, Trieste, Italy
| | - Carla Micheli
- ENEA Research Center Casaccia Roma, C.P. 2400/00123S. Maria di Galeria, Roma, Italy
| | - Manja Rogelja
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Sezione Oceanografia, Via A. Piccard 54, 34151, Trieste, Italy
- Università di Trieste, Department of Life Sciences, 34127, Trieste, Italy
| | - Lucia Spada
- Consiglio Nazionale delle Ricerche (CNR), Istituto per l'Ambiente Marino Costiero-IAMC, 74123, Taranto, Italy
| | - Paola Del Negro
- OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Sezione Oceanografia, Via A. Piccard 54, 34151, Trieste, Italy
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Jin X, Lee HK, Badejo AC, Lee SY, Shen A, Lee S, Jeong Y, Choi M, Moon HB. Decline in sediment contamination by persistent toxic substances from the outfall of wastewater treatment plant: Effectiveness of legislative actions in Korea. Chemosphere 2016; 153:426-435. [PMID: 27031806 DOI: 10.1016/j.chemosphere.2016.03.075] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 03/13/2016] [Accepted: 03/16/2016] [Indexed: 06/05/2023]
Abstract
Legacy and new persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs) were measured in sediments near a wastewater treatment plant (WWTP) outfall in a semi-enclosed bay, to investigate the current contamination and temporal changes in these contaminants associated with regulation activities in Korea. The concentrations of most of the POPs showed clear decreasing trends with an increase in the distance from the WWTP outfall, indicating that the WWTP discharges greatly contributed to the sediment contamination by POPs. Highly significant correlations were found for most of the POPs, indicating a common source for sediment contamination. Significant declines were found in the concentrations of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), dioxin-like polychlorinated biphenyls (DL-PCBs), polybrominated diphenyl ethers (PBDEs), and PAHs in the sediments collected between 2005 and 2013. This result suggested that legislative actions (regulation of the PCDD/Fs in flue gas, total pollution load management, and whole effluent toxicity for WWTP discharges) and change of fuels, were likely to be effective at reducing the POP and PAH levels in sediments during the past several years. The different compositional profiles of the PCDD/Fs and PAHs between 2005 and 2013 implied changes in and/or additional sources of these contaminants. Despite a decline in the PCDD/Fs over time, the present levels of PCDD/Fs in the sediment exceeded some of the sediment quality guidelines suggested by the National Oceanic and Atmospheric Administration.
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Affiliation(s)
- Xiangzi Jin
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Hyun-Kyung Lee
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Abimbola C Badejo
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Sang-Yoon Lee
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Aihua Shen
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Sunggyu Lee
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Yunsun Jeong
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea
| | - Minkyu Choi
- Marine Environment Research Division, National Institute of Fisheries Science (NIFS), Busan 619-705, Republic of Korea
| | - Hyo-Bang Moon
- Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea.
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Eremina N, Paschke A, Mazlova EA, Schüürmann G. Distribution of polychlorinated biphenyls, phthalic acid esters, polycyclic aromatic hydrocarbons and organochlorine substances in the Moscow River, Russia. Environ Pollut 2016; 210:409-418. [PMID: 26807987 DOI: 10.1016/j.envpol.2015.11.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 11/19/2015] [Accepted: 11/20/2015] [Indexed: 06/05/2023]
Abstract
The purpose of this study was to investigate the levels of polychlorinated biphenyl (PCB), phthalic acid esters (PAE), polycyclic aromatic hydrocarbons (PAH) and organochlorine substances (OCP) in the Moscow River water. Some studies have reported the occurrence of these substances in the soil of the Moscow region; however, no study has yet established an overview for these compounds in the Moscow River water. In this study the Moscow River water contamination with PAEs, PAHs and OCPs was determined. Obtained results were associated with the resident area located on the river bank, and the possible contamination sources were considered. The obtained data were compared with the data on the contamination of the different world-wide rivers. This research indicates the further study necessity of the Moscow region to cover more contaminated sites and environmental compartments.
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Affiliation(s)
- Natalia Eremina
- Department of Industrial Ecology, Gubkin Russian State, University of Oil and Gas, Leninskiy pr-t 65k1, 119991, Moscow, Russian Federation.
| | - Albrecht Paschke
- Department of Ecological Chemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318, Leipzig, Germany
| | - Elena A Mazlova
- Department of Industrial Ecology, Gubkin Russian State, University of Oil and Gas, Leninskiy pr-t 65k1, 119991, Moscow, Russian Federation
| | - Gerrit Schüürmann
- Department of Ecological Chemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318, Leipzig, Germany; Institute of Organic Chemistry, Technical University Bergakademie Freiberg, Leipziger Strasse 29, 09596, Freiberg, Germany
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21
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Wang P, Shang H, Li H, Wang Y, Li Y, Zhang H, Zhang Q, Liang Y, Jiang G. PBDEs, PCBs and PCDD/Fs in the sediments from seven major river basins in China: Occurrence, congener profile and spatial tendency. Chemosphere 2016; 144:13-20. [PMID: 26344144 DOI: 10.1016/j.chemosphere.2015.08.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 08/11/2015] [Accepted: 08/12/2015] [Indexed: 06/05/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs) were extensively investigated in the sediment samples collected from seven major river basins around China. The concentrations were in the range of 0.05-6.15 × 10(4) ng g(-1) dry weight (dw), 0.29-21.7 ng g(-1) dw and 0.01-6.49 ng g(-1) dw for PBDEs, PCBs and PCDD/Fs, respectively. The concentrations showed wide variations among different river basins, while the congener profiles in all the sediments were generally characterized by only a few compounds, such as BDE-209, -99 and -47, CB-11 and -28, OCDD and OCDF, etc. The spatial analysis identified a decreasing trend of these persistent organic pollutants (POPs) from south to north China, consistent with regional industrialization. However, relatively higher level of POPs was also observed in the upstream of Yellow River Basin. The present study gives insight into the spatial occurrence of the three POPs in the major river basins in China.
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Affiliation(s)
- Pu Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Hongtao Shang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Honghua Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Yawei Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Yingming Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Haidong Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Qinghua Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Institute of Environment and Health, Jianghan University, Wuhan, 430056, China.
| | - Yong Liang
- Institute of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
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22
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Li X, Su X. Assessment of the Polychlorinated Biphenyl (PCB) Occurrence in Copper Sulfates and the Influential Role of PCB Levels on Grapes. PLoS One 2015; 10:e0144896. [PMID: 26658158 PMCID: PMC4682808 DOI: 10.1371/journal.pone.0144896] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 11/24/2015] [Indexed: 11/19/2022] Open
Abstract
Copper sulfates (CuSO4) are widely used as the primary component of fungicides in the grape industry. The agricultural-grade CuSO4 that we collected from Chinese nationwide markets were found to be contaminated by polychlorinated dibenzo-p-dioxins and dibenzofurans and high levels of polychlorinated biphenyls (Σ19PCBs: 0.32~9.51 ng/g). In the following research, we studied the impact of CuSO4 application on PCB levels in grape products through a field experiment, and conducted a national survey to speculate the role that CuSO4 played on the occurrence of PCB in grapes. In the field experiment, an obvious increase of PCBs in grape leaves (from 174 to 250 pg/g fw) was observed after Bordeaux mixture (the main component of which is CuSO4) application. As to the main PCB congener in CuSO4, the most toxic CB 126 (toxic equivalency factor = 0.1) also increased in grape peels (from 1.66 to 2.93 pg/g fw) after pesticide spray. Both the correlation study and the principal component analysis indicated that environmental factors were dominant PCB contributors to grapes, and grapes from e-waste dismantling area containing the highest PCBs also proved the notion. It is worth noting that this report describes the first research examining PCBs in CuSO4 and its influence on agricultural products to date.
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Affiliation(s)
- Xiaomin Li
- Institute of Quality Standard and Testing Technology for Agro-Products, The Chinese Academy of Agricultural Sciences (CAAS), Beijing, 100081, China
- * E-mail: (LXM); (SXO)
| | - Xiaoou Su
- Institute of Quality Standard and Testing Technology for Agro-Products, The Chinese Academy of Agricultural Sciences (CAAS), Beijing, 100081, China
- * E-mail: (LXM); (SXO)
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23
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Visciano P, Scortichini G, Suzzi G, Diletti G, Schirone M, Martino G. Concentrations of Contaminants with Regulatory Limits in Samples of Clam (Chamelea gallina) Collected along the Abruzzi Region Coast in Central Italy. J Food Prot 2015; 78:1719-28. [PMID: 26319726 DOI: 10.4315/0362-028x.jfp-15-082] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Concentrations of pollutants with regulatory limits were determined in specimens of Chamelea gallina, a species of clam collected along the Abruzzi coastal region of the central Adriatic Sea. Nine sampling sites were selected to evaluate the distribution of contaminants in the environment and the health risk for consumers. The concentrations of all the examined compounds were lower than the maximums set by European legislation. Polycyclic aromatic hydrocarbons and total mercury were below the detection limit (0.18 μg/kg for benzo[a]anthracene, 0.30 μg/kg for chrysene, 0.12 μg/kg for benzo[b]fluoranthene, 0.08 μg/kg for benzo[a]pyrene, and 0.0050 mg/kg for total mercury) in all the analyzed samples. Mean concentrations of lead and cadmium were 0.104 and 0.110 mg/kg, respectively. Of the non-dioxin-like polychlorinated biphenyls, PCB-153, PCB-180, and PCB-138 were the most abundant at all sampling sites (1a to 9a) at 0.25 mi (ca. 0.4 km) and at some sampling sites (1b, 2b, 3b, 5b and 7b) at 0.35 mi (ca. 0.56 km). Principal component analysis revealed that the concentrations of dioxin-like polychlorinated biphenyls were similar at the majority of sampling sites, and O8CDD and 2,3,7,8-T4CDF were the predominant dioxin congeners.
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Affiliation(s)
- Pierina Visciano
- Faculty of BioScience and Technology for Food, Agriculture and Environment, University of Teramo, Mosciano Sant'Angelo, Italy
| | - Giampiero Scortichini
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, Italy
| | - Giovanna Suzzi
- Faculty of BioScience and Technology for Food, Agriculture and Environment, University of Teramo, Mosciano Sant'Angelo, Italy
| | - Gianfranco Diletti
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, Italy
| | - Maria Schirone
- Faculty of BioScience and Technology for Food, Agriculture and Environment, University of Teramo, Mosciano Sant'Angelo, Italy.
| | - Giuseppe Martino
- Faculty of BioScience and Technology for Food, Agriculture and Environment, University of Teramo, Mosciano Sant'Angelo, Italy
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24
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Ulutaş OK, Çok I, Darendeliler F, Aydin B, Çoban A, Henkelmann B, Schramm KW. Blood levels of polychlorinated biphenlys and organochlorinated pesticides in women from Istanbul, Turkey. Environ Monit Assess 2015; 187:132. [PMID: 25701473 DOI: 10.1007/s10661-015-4358-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 02/09/2015] [Indexed: 06/04/2023]
Abstract
The human body is not a chemically uncontaminated system. Every simple action that humans undertake, such as drinking water, eating, nursing, and even breathing air, puts the system under environmental xenobiotic exposure stress. Environmental chemicals have been shown to produce unwanted effects on health and remove the right to healthy living, starting from the first encounter in utero to geriatrics, throughout the lifespan. Organochlorine pesticides (OCPs) and polychlorinated biphenyl (PCB) levels, important members of the persistent organic pollutants (POPs), have been detected before in human breast milk and also in the adipose tissue of women from different regions of Turkey; however, there was no information about the blood levels of these chemicals. This study generated the first information that evaluates OCP and PCB contamination levels in the blood of the women living in Turkey. The current study measured the blood concentrations of OCPs and PCBs in 58 healthy women (age 20-41 years; mean age 28 years) who were living in Istanbul, Turkey, in the years 2010-2012. Samples were analyzed for 29 OCPs and 18 PCB congeners using high-resolution gas chromatography/high-resolution mass spectrometry (HRGC/HRMS). PCB 153 was the predominant congener (643.2 pg/g lipid), followed by PCB 138 and PCB 180. 4,4'-DDE (24872.8 pg/g lipid) was the most common organochlorinated pesticide contaminant in studied blood samples. Results for analyzed chlorinated compounds were as follows: ∑PCB 2682 ± 3300 pg/g lipid; ∑DDT 25,938 ± 28,644 pg/g lipid; and ∑HCH 2930 ± 2222 pg/g lipid, respectively. The mean concentration of ∑WHOPCB-TEQ was 0.037 pg/g on a lipid basis. This information will be important base data during the assessment of the general health concerns of women, as well as for studies about how endocrine disruptors affect humans for forthcoming studies.
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Affiliation(s)
- Onur Kenan Ulutaş
- Department of Toxicology, Gazi University, Faculty of Pharmacy, 06330, Hipodrom, Ankara, Turkey,
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25
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Kampire E, Rubidge G, Adams JB. Distribution of polychlorinated biphenyl residues in sediments and blue mussels (Mytilus galloprovincialis) from Port Elizabeth Harbour, South Africa. Mar Pollut Bull 2015; 91:173-179. [PMID: 25558020 DOI: 10.1016/j.marpolbul.2014.12.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 11/22/2014] [Accepted: 12/03/2014] [Indexed: 06/04/2023]
Abstract
Sediment and Mytilus galloprovincialis samples collected from the Port Elizabeth Harbour were analysed for six indicator PCB congeners to assess their contamination status. The concentrations of total PCBs in sediments and M. galloprovincialis ranged from 0.56 to 2.35 ng/g dry weight and 14.48 to 21.37 ng/g wet weight, respectively. Congeners 138 and 153 were dominant and accounted for an average of 29% and 24% of total PCBs in M. galloprovincialis; 32% and 30% in sediments, respectively. Sediments are home to a wide variety of aquatic life. None of the sediments analysed exceeded the PCB limits recommended the Canadian interim sediment quality guideline and the South African recommended sediment guidelines (21.6 ng/g). Both humans and aquatic life are sensitive to the toxic effects of PCBs.
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Affiliation(s)
- E Kampire
- Nelson Mandela Metropolitan University, Department of Chemistry, P.O. Box 77000, Port Elizabeth 6031, South Africa.
| | - G Rubidge
- Nelson Mandela Metropolitan University, Department of Chemistry, P.O. Box 77000, Port Elizabeth 6031, South Africa
| | - J B Adams
- Nelson Mandela Metropolitan University, Department of Botany, P.O. Box 77000, Port Elizabeth 6031, South Africa
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26
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Omwoma S, Lalah JO, Virani M, Schramm KW, Henkelmann B. Dioxin-like PCBs and PCDD/Fs in surface sediments near the shore of Winam Gulf, Lake Victoria. Chemosphere 2015; 118:143-147. [PMID: 25150826 DOI: 10.1016/j.chemosphere.2014.07.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 07/15/2014] [Accepted: 07/19/2014] [Indexed: 06/03/2023]
Abstract
Winam Gulf of Lake Victoria is considered to be contaminated with toxic chemicals emanating from anthropogenic activities, especially near large industrial towns such as Kisumu. This has recently caused concerns about its water quality and impact on aquatic organisms and human beings. This study was justified by the need to generate baseline concentrations of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and dioxin-like polychlorinated biphenyls (dl-PCBs) in surface sediment from selected sites in the lake and determine the influence of activities on their concentrations and potential risks to fish-eating birds living near the lake. Surface sediments (<30cm) from three different fish landing beaches, located 200m from the shore of Winam Gulf of Lake Victoria near Kisumu city, Homa Bay and Mbita (control) towns, were analysed. The total mean concentrations (in pgg(-1)drywt) were found to range from 17.4-812 (Σdl-PCBs), 36.6-813 (ΣPCDDs) and 1.45-46.4 (ΣPCDFs). The calculated Toxic Equivalents (TEQWHO(2005)) ranged from 0.001-0.43 (Σdl-PCBs) and 0.09-31 (ΣPCDD/Fs). The fish landing beaches at Kisumu city were found to be contaminated with respect to dl-PCBs and dioxins, followed by Homa Bay and Mbita. The relatively high levels of octachlorodibenzo-p-dioxin (OCDD) and octachlorodibenzofuran (OCDF) influenced the TEQ and the ΣPCDFs/ΣPCDDs ratios indicated chemical processes as partial sources of the dioxins. The levels of contaminants obtained in this study showed potential exposure to aquatic organisms and fish eating birds through food chain transfer.
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Affiliation(s)
- Solomon Omwoma
- Department of Chemistry, Maseno University, P.O. Box 333, 40105 Maseno, Kenya
| | - Joseph O Lalah
- Department of Chemical Science and Technology, Technical University of Kenya, P.O. Box 52428, 00200 Nairobi, Kenya.
| | - Munir Virani
- The Peregrine Fund, 5668 West Flying Hawk Lane, Boise, ID 83709, USA; Ornithology Section, Department of Zoology, National Museum of Kenya, P.O. Box 40658, Nairobi, Kenya
| | - Karl-Werner Schramm
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Ecological Chemistry, Ingolstädter Landstraße 1, D-85764 Neuherberg, Germany
| | - Bernhard Henkelmann
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Ecological Chemistry, Ingolstädter Landstraße 1, D-85764 Neuherberg, Germany
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27
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Di Leo A, Annicchiarico C, Cardellicchio N, Giandomenico S, Conversano M, Castellano G, Basile F, Martinelli W, Scortichini G, Spada L. Monitoring of PCDD/Fs and dioxin-like PCBs and seasonal variations in mussels from the Mar Grande and the Mar Piccolo of Taranto (Ionian Sea, Southern Italy). Environ Sci Pollut Res Int 2014; 21:13196-13207. [PMID: 24443048 DOI: 10.1007/s11356-014-2495-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 12/29/2013] [Indexed: 06/03/2023]
Abstract
The levels and specific profiles of polychlorinated dibenzo-p-dioxins, dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (DL-PCBs) in Mytilus galloprovincialis from the Mar Grande and the Mar Piccolo of Taranto were determined during the extensive monitoring plan of Local Health Authority to assess PCDD/Fs and DL-PCBs contamination in food and farm products, within 20 km from the industrial areas of Taranto, between March and December 2011. The average Total Toxicity Equivalence (TEQ) values for the sum of PCDD/F and DL-PCBs ranged from 1.61 to 5.63 pg WHO2005-TEQ g(-1) wet weight basis, with the highest in the first inlet of the Mar Piccolo. In particular, DL-PCBs were the dominant chemicals in all samples, followed by PCDFs and PCDDs. Congener patterns in mussels were similar, indicating a homogeneous behavior in studied areas and, probably, the same type of source. The seasonal concentrations trend showed a relevant increase of dioxin and dioxin-like PCBs TEQs during the summer months, exceeding the limits set by the European Community for food and foodstuff. Reducing PCDD/Fs and PCBs is necessary to decrease contamination levels in order to safeguard marine ecosystem and human health in the Taranto area.
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Affiliation(s)
- Antonella Di Leo
- Institute for Coastal Marine Environment, Operative Unit of Taranto, C.N.R., via Roma 3, 74123, Taranto, Italy
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28
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Okay OS, Karacık B, Güngördü A, Ozmen M, Yılmaz A, Koyunbaba NC, Yakan SD, Korkmaz V, Henkelmann B, Schramm KW. Micro-organic pollutants and biological response of mussels in marinas and ship building/breaking yards in Turkey. Sci Total Environ 2014; 496:165-178. [PMID: 25079235 DOI: 10.1016/j.scitotenv.2014.07.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 07/04/2014] [Accepted: 07/09/2014] [Indexed: 06/03/2023]
Abstract
Concentrations of PAHs, PCBs and OCPs in sediments and mussels (caged and/or native) were determined at 16 stations in six major sites of coastal Turkey. The biological effects of pollution were evaluated using sediment toxicity tests and enzyme activity assays. EROD, PROD, GST, AChE, CaE, and GR activities were evaluated using the digestive glands of mussels. The total PAH concentrations in the sediments varied between nd and 79,674 ng g(-1) dw, while the total OCP concentrations were in the range of nd to 53.7 ng g(-1) dw. The total PAH concentrations in mussels varied between 22.3 and 37.4 ng g(-1) ww. The average concentrations of total PCBs in mussels were 2795 pg g(-1) ww in the shipyard, 797 pg g(-1) ww in Marina 2 and 53 pg g(-1) ww in Marina 1 stations. The results of whole-sediment toxicity tests showed a strong correlation between toxicity test results and pollutant concentrations. Selected cytosolic enzyme activities in digestive glands differed significantly depending on localities. These differences in enzyme activities were mainly related to the different pollutant levels of the sampling sites. The micro-organic contaminant profile patterns, toxicity tests and biomarker studies showed that shipyards and shipbreaking yards are the major potential sources of organic pollution in coastal areas.
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Affiliation(s)
- O S Okay
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey.
| | - B Karacık
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - A Güngördü
- İnönü University, Arts and Sciences Faculty, Department of Biology, Laboratory of Environmental Toxicology, 44069, Malatya, Turkey
| | - M Ozmen
- İnönü University, Arts and Sciences Faculty, Department of Biology, Laboratory of Environmental Toxicology, 44069, Malatya, Turkey
| | - A Yılmaz
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - N C Koyunbaba
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - S D Yakan
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - V Korkmaz
- İnönü University, Arts and Sciences Faculty, Department of Biology, Laboratory of Environmental Toxicology, 44069, Malatya, Turkey
| | - B Henkelmann
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Ecological Chemistry, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - K-W Schramm
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Ecological Chemistry, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany; TUM, Wissenschaftszentrum Weihenstephan für Ernährung und Landnutzung, Department für Biowissenschaften, Weihenstephaner Steig 23, 85350 Freising, Germany
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29
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Sezmis AL, Birch G, Covaci A. Relationships between dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs) and dioxin-like biphenyls (dl-PCBs) congener concentrations in aquatic organisms from Sydney Estuary, Australia and physiology, spatial, seasonality, trophodynamic and life history traits. Sci Total Environ 2014; 490:50-58. [PMID: 24840280 DOI: 10.1016/j.scitotenv.2014.04.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 04/22/2014] [Accepted: 04/22/2014] [Indexed: 06/03/2023]
Abstract
Over the past few decades, there has been considerable interest in hydrophobic persistent organic pollutants (POPs) and their accumulative properties in aquatic organisms. Several factors, such as environmental concentrations (i.e. in sediment) and physiological characteristics of organisms determine species-specific accumulation patterns of POPs in marine animal tissue. The present study investigated factors that govern species-specific accumulation patterns of polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs) and dioxin-like biphenyls (dl-PCBs) in a food web from Sydney Estuary (Australia). The results indicated that physiological characteristics, i.e. lipid %, spatial, i.e. distance from Homebush Bay (point source of POPs) and life history characteristics of the organisms, such as diet and home range, influence PCDD/F and dl-PCB tissue concentrations to a varying degree. For example, PCDD/F tissue concentrations increased with the presence of detritivorous diet, species with limited home range and close proximity to Homebush Bay. On the other hand, lipid %, piscivorous diet and close proximity to Homebush Bay were the main predictors causing increases in dl-PCB tissue levels. Distance from Homebush Bay was the only predictor affecting both PCDD/F and dl-PCB tissue levels at a similar rate, i.e. decreasing tissue concentrations as the distance increases from Homebush Bay.
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Affiliation(s)
- Aysha Laila Sezmis
- The Environmental Geology Group, The University of Sydney, New South Wales 2006, Australia.
| | - Gavin Birch
- The Environmental Geology Group, The University of Sydney, New South Wales 2006, Australia
| | - Adrian Covaci
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium
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30
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Ssebugere P, Sillanpää M, Kiremire BT, Kasozi GN, Wang P, Sojinu SO, Otieno PO, Zhu N, Zhu C, Zhang H, Shang H, Ren D, Li Y, Zhang Q, Jiang G. Polychlorinated biphenyls and hexachlorocyclohexanes in sediments and fish species from the Napoleon Gulf of Lake Victoria, Uganda. Sci Total Environ 2014; 481:55-60. [PMID: 24583652 DOI: 10.1016/j.scitotenv.2014.02.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Revised: 02/08/2014] [Accepted: 02/09/2014] [Indexed: 06/03/2023]
Abstract
Polychlorinated biphenyls (PCBs) and hexachlorocyclohexanes (HCHs) were analyzed in surface sediments (<30 cm depth) and two fish species: Nile perch (Lates niloticus) and Nile tilapia (Oreochromis niloticus). The samples were collected from the Napoleon Gulf on the northern shore of Lake Victoria. The analysis was done using a gas chromatograph (GC) coupled to a high resolution mass spectrometer for PCBs and a GC equipped with an electron capture detector for HCHs. Total (Σ) PCBs in the muscles of fish varied widely with mean values ranging from 41 to 670 pg g(-1) lipid weight (lw). The PCB levels in L. niloticus were significantly greater than those in O. niloticus. The large variability observed in the data was attributed to differences in feeding habits and trophic levels. While O. niloticus is a filter-eating fish species feeding mainly on phytoplankton and zooplankton, L. niloticus have predatory feeding behaviors and prefer a diet of live fish and, therefore, are more prone to bio-accumulate contaminants. The mean PCB concentrations in the sediments varied from 362 to 848 pg g(-1) dry weight. Variations in PCB levels were observed from one study site to another, this was attributed to the nature and particle size of the sediments. HCH isomers were detected in fish at mean concentrations of up to 45,900 pg g(-1) lw. The PCB and HCH concentrations were lower than those from previous studies elsewhere in literature and were below the maximum residue limits set by the European Commission and FAO/WHO Codex Alimentarius Commission, implying that the fish was fit for human consumption.
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Affiliation(s)
- Patrick Ssebugere
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Mika Sillanpää
- Laboratory of Green Chemistry, Lappeenranta University of Technology, Sammonkatu 12, 50130 Mikkeli, Finland
| | - Bernard T Kiremire
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Gabriel N Kasozi
- Department of Chemistry, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Pu Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Samuel O Sojinu
- Department of Chemistry, Federal University of Agriculture, Alabata, Abeokuta, Ogun State, Nigeria
| | - Peter O Otieno
- Department of Chemistry, Maseno University, P.O. Box 333, 40105 Maseno, Kenya
| | - Nali Zhu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Chaofei Zhu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Haidong Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Hongtao Shang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Daiwei Ren
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yingming Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Qinghua Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Barreca S, Mazzola A, Orecchio S, Tuzzolino N. Polychlorinated Biphenyls in Sediments from Sicilian Coastal Area (Scoglitti) using Automated Soxhlet, GC-MS, and Principal Component Analysis. Polycycl Aromat Compd 2014. [DOI: 10.1080/10406638.2014.886078] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Nunes M, Vernisseau A, Marchand P, Le Bizec B, Ramos F, Pardal MA. Occurrence of PCDD/Fs and dioxin-like PCBs in superficial sediment of Portuguese estuaries. Environ Sci Pollut Res Int 2014; 21:9396-9407. [PMID: 24756686 DOI: 10.1007/s11356-014-2891-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 04/04/2014] [Indexed: 06/03/2023]
Abstract
Superficial sediments collected from seven estuarine systems located along the Portuguese coast were analyzed for 7 polychlorinated dibenzo-p-dioxins (PCDDs), 10 polychlorinated dibenzofurans (PCDFs), and 12 dioxin-like polychlorinated biphenyls (dl-PCBs). Total PCDD/F concentration ranged from 4.6 to 464 pg g(-1) dry weight (dw), while that of dl-PCBs varied from 26.6 to 8,693 pg g(-1) dw. In general, the highest PCDD/F and dl-PCB concentrations were associated with densely populated and industrially impacted areas. Additionally, PCDD/F revealed a predominance of octachlorodibenzodioxin (OCDD) to total PCDD/Fs, while PCB 118 was the major contributor to total dl-PCBs. This study provided a global perspective of the contamination status of Portuguese estuaries by dioxin-like compounds and allowed a comparison between the investigated systems and other systems worldwide. PCDD/F and dl-PCB levels found in the collected sediments were lower than those of highly impacted areas from different parts of the globe. Nevertheless, comparison with guidelines and quality standards from other countries indicated that some Portuguese estuarine areas with a high industrialization level present PCDD/F and dl-PCB concentrations in superficial sediment that may constitute a risk to aquatic organisms.
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Affiliation(s)
- Margarida Nunes
- CFE-Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Apartado 3046, 3001-401, Coimbra, Portugal,
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Kapsimalis V, Panagiotopoulos IP, Talagani P, Hatzianestis I, Kaberi H, Rousakis G, Kanellopoulos TD, Hatiris GA. Organic contamination of surface sediments in the metropolitan coastal zone of Athens, Greece: sources, degree, and ecological risk. Mar Pollut Bull 2014; 80:312-324. [PMID: 24411518 DOI: 10.1016/j.marpolbul.2013.12.051] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 12/12/2013] [Accepted: 12/22/2013] [Indexed: 06/03/2023]
Abstract
Bottom sediments represent a crucial component of the marine environment, since they constitute a habitat, a trophic resource, and a spawning place for various organisms. Unfortunately, the sediments of urban coastal areas are deeply impacted by anthropogenic activities that degrade their quality. In the Drapetsona-Keratsini metropolitan coastal zone of Athens, current industrial and shipping activities together with the effluents from a sewage outfall, which was in operation in the past, have resulted in one of the most contaminated sedimentary environments, in terms of organic compound loads, in Mediterranean. Exceptionally high concentrations of aliphatic hydrocarbons (up to 4457 μg g⁻¹), carcinogenic PAHs (up to 7284 ng g⁻¹), and organochlorines (up to 544 ng g⁻¹ for PCBs; up to 208 ng g⁻¹ for DDTs) constitute a major threat to the marine life of the associated Saronikos Gulf.
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Affiliation(s)
- V Kapsimalis
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece.
| | - I P Panagiotopoulos
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece
| | - P Talagani
- National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment, Department of Historical Geology - Paleontology, Athens, Greece
| | - I Hatzianestis
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece
| | - H Kaberi
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece
| | - G Rousakis
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece
| | - T D Kanellopoulos
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece
| | - G A Hatiris
- Hellenic Centre for Marine Research, Institute of Oceanography, Anavyssos, Greece
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Čonka K, Chovancová J, Stachová Sejáková Z, Dömötörová M, Fabišiková A, Drobná B, Kočan A. PCDDs, PCDFs, PCBs and OCPs in sediments from selected areas in the Slovak Republic. Chemosphere 2014; 98:37-43. [PMID: 24210452 DOI: 10.1016/j.chemosphere.2013.09.068] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 09/06/2013] [Accepted: 09/21/2013] [Indexed: 06/02/2023]
Abstract
Within our research project, 34 river bottom sediments were collected in 2006-2007 at five areas across Slovakia with industrial sources of persistent organic pollutants (Košice, Krompachy, Nemecká, Šala, Nováky) and one background area (Starina). Sediments were analyzed for seven 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins (PCDDs) and 10 dibenzofurans (PCDFs), 12 dioxin-like and 6 indicator polychlorinated biphenyls (PCBs), hexachlorobenzene (HCB) and 1,1,1,-trichloro-2,2-bis(p-chlorophenyl)ethane (p,p'-DDT) with 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (p,p'-DDE). Analytical procedure based on accelerated solvent extraction followed by a semi-automated clean-up and fractionation was used. Determination of target compounds was performed by HRGC-HRMS analysis. Total WHO toxic equivalent WHO1998-PCDD/F/dl-PCB-TEQ concentrations ranged from 0.26 to 559 pg TEQ g(-1) dry matter (dm), with a median 2.2 pg TEQ g(-1) dm. The sums of six indicator PCBs were in the range 0.56-1014 ng g(-1) dm, with a median 11.8 ng g(-1) dm. The concentrations of organochlorine pesticides HCB and p,p'-DDE/DDT varied from 0.15 to 34.8 ng g(-1) dm, with a median 0.91 ng g(-1) dm and 0.46-34.1 ng g(-1)dm, with a median 6.7 ng g(-1)dm, respectively. The most abundant congeners in all sediment samples among dioxins, furans and PCBs were OCDD, 1,2,3,4,6,7,8-HpCDF, PCB-118 and PCB-153.
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Affiliation(s)
- Kamil Čonka
- Department of Toxic Organic Pollutants, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovak Republic.
| | - Jana Chovancová
- Department of Toxic Organic Pollutants, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovak Republic
| | - Zuzana Stachová Sejáková
- Department of Toxic Organic Pollutants, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovak Republic
| | - Milena Dömötörová
- Public Health Authority of the Slovak Republic, Trnavská 52, 826 45 Bratislava, Slovak Republic
| | - Anna Fabišiková
- Department of Toxic Organic Pollutants, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovak Republic
| | - Beáta Drobná
- Department of Toxic Organic Pollutants, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovak Republic
| | - Anton Kočan
- Research Centre for Toxic Compounds in the Environment, Masaryk University, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
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Kuzu SL, Saral A, Summak G, Coltu H, Demir S. Ambient polychlorinated biphenyl levels and their evaluation in a metropolitan city. Sci Total Environ 2014; 472:13-19. [PMID: 24291129 DOI: 10.1016/j.scitotenv.2013.11.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 11/04/2013] [Accepted: 11/05/2013] [Indexed: 06/02/2023]
Abstract
In this study, summer and autumn ambient PCB concentrations were investigated in metropolitan city of Istanbul. 84 congeners were targeted from di-CBs to nona-CBs on both particle and gaseous phases. Gaseous ambient concentrations were determined to be 372 ± 134 pg·m(-3), while on the particle phase this value was 49 ± 17 pg·m(-3), corresponding to an average of 420 pg·m(-3). About one-tenth of all PCBs lay in ambient aerosols, while 90% of all comprise 2-, 3-, 4-, and 5-CBs. Measured ambient concentrations of each congener group were tested against meteorological data. The di-CB concentrations were independent of ambient temperature while northerly winds lead to an increase in their concentrations, which was an indicator of considerable contribution to di-CB concentrations from the medical waste incineration plant in Istanbul. In contrast, other congeners' concentrations were found to be correlated with southerly winds. Being an inland sea and having been contaminated, for years, by industrial discharges along the coastline, volatilization from Marmara Sea was considered as the most probable source of other congeners. PSCF analysis was run with 12-hour trajectories to locate possible local sources and check these results. Gas/particle partitioning was applied using three different models. mr and br values for log PL(0) model were determined as -0.23 ± 0.09 and -3.25 ± 0.38, respectively. For absorption based log Koa model, m and b values were calculated as 0.23 ± 0.08 and -4.73 ± 0.83, respectively.
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Affiliation(s)
- S Levent Kuzu
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, 34220, Davutpaşa-Esenler, Istanbul, Turkey.
| | - Arslan Saral
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, 34220, Davutpaşa-Esenler, Istanbul, Turkey.
| | - Gülsüm Summak
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, 34220, Davutpaşa-Esenler, Istanbul, Turkey.
| | - Hatice Coltu
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, 34220, Davutpaşa-Esenler, Istanbul, Turkey.
| | - Selami Demir
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, 34220, Davutpaşa-Esenler, Istanbul, Turkey.
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Lee KT, Hong S, Lee JS, Chung KH, Hilscherová K, Giesy JP, Khim JS. Revised relative potency values for PCDDs, PCDFs, and non-ortho-substituted PCBs for the optimized H4IIE-luc in vitro bioassay. Environ Sci Pollut Res Int 2013; 20:8590-9. [PMID: 23690076 DOI: 10.1007/s11356-013-1770-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 04/24/2013] [Indexed: 05/23/2023]
Abstract
While the World Health Organization 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) equivalency factors are useful estimates of relative potencies of mixtures when conducting risk assessments, they are not useful when comparing the results of bioassays such as the H4IIE-luc to concentrations of TCDD equivalents calculated from instrumental analyses. Since there are thousands of dioxin-like compounds (DLCs), one use of screening assays is to determine if all of the aryl hydrocarbon receptor (AhR) active DLCs in a mixture have been accounted for in instrumental analyses. For this purpose, bioassay-specific relative potency (ReP) values are needed. RePs of 21 polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, and dioxin-like polychlorinated biphenyls that exhibit effects mediated through the AhR were determined by use of the H4IIE-luc assay. Different values of RePs are derived, depending on the statistical, curve-fitting methods used to derive them from the dose-response relationships. Here, we discuss the various methods for deriving RePs from in vitro data and their assumptions and effects on values of RePs. Full dose-response curves of 2,3,7,8-TCDD and other representative DLCs were used to estimate effective concentrations at multiple points (e.g., EC20-50-80), which were then used to estimate ReP of each DLC to 2,3,7,8-TCDD.
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Affiliation(s)
- Kyu Tae Lee
- NeoEnBiz Co, Daewoo Technopark, 1306, Bucheon, Republic of Korea
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Karademir A, Ergül HA, Telli B, Kılavuz SA, Terzi M. Evaluation of PCDD/F pollution in surface sediments of Izmit Bay. Environ Sci Pollut Res Int 2013; 20:6611-6619. [PMID: 23613207 DOI: 10.1007/s11356-013-1713-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2012] [Accepted: 04/02/2013] [Indexed: 06/02/2023]
Abstract
This study evaluates PCDD/F pollution in the surface sediments of Izmit Bay (Turkey) and assesses the possible sources of PCDD/F inputs to the bay. The results showed that concentrations of toxic PCDD/F congeners in the sediments varied between 0.45 and 255 ng WHO2005-TEQ/kg dry weight. Pollution mapping shows that PCDD/F levels in the central section of Izmit Bay are much higher than those in the eastern and the western sections. Sediments collected from the northern part of the central section showed very high PCDD/F concentrations. The samples reveal three different congener profiles dominated by OCDF, 1,2,3,4,6,7,8-HpCDF, and OCDD respectively. The dominance of OCDF in the sediment samples taken from the central section was attributed to the former production of vinyl chloride monomer in the area, while that of 1,2,3,4,6,7,8-HpCDF was attributed to the (previously unknown) use of a chlorophenol-based fungicide in the region. The OCDD dominated group was explained by the use of pentachlorophenol. The results indicate that historic industrial discharges are the main contributor to the PCDD/F pollution in the sediments.
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Affiliation(s)
- Aykan Karademir
- Department of Environmental Engineering, Kocaeli University, 41380, Kocaeli, Turkey.
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da Silva SFG, Brüning IMRA, Montone RC, Taniguchi S, Cascaes MJ, Dias PS, Lavandier RC, Hauser-Davis RA, Moreira I. Polybrominated diphenyl ethers (PBDES) and polychlorinated biphenyls (PCBS) in mussels and two fish species from the estuary of the Guanabara Bay, Southeastern Brazil. Bull Environ Contam Toxicol 2013; 91:261-266. [PMID: 23749040 DOI: 10.1007/s00128-013-1026-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Accepted: 05/29/2013] [Indexed: 06/02/2023]
Abstract
The present investigation aimed to analyze PBDE and PCB contamination in mussels (Perna perna) and two commercially important fish species, croaker (Micropogonias furnieri) and mullet (Mugil liza), in the Guanabara Bay, the most important Brazilian estuary, by gas chromatography coupled to mass spectrometry, in order to further knowledge regarding these compounds in the southern hemisphere. This is also the first report of PBDE in this mussel species in the Guanabara Bay. Fish were captured in September (dry season, winter) and March (wet season, summer) 2007 and September 2008. Mussels were collected in August (dry season, winter) 2006, in February (wet season, summer) 2007, and in August 2007 (winter). The results show that all samples showed higher PCB contamination when compared to other ecosystems around the world. On the other hand, PBDEs presented lower concentrations in 41 % of the samples. Croakers presented the highest PCB and PBDE levels, with mullet showing intermediary values and mussels, the lowest.
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Affiliation(s)
- S F Gonçalves da Silva
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro, Rua Marquês de São Vicente, 225, Rio de Janeiro, CEP. 22453-900, Brazil
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Stancheva M, Georgieva S, Makedonski L. Organochlorine pollutants in fish from the Bulgarian region of the Black Sea. Quality Assurance and Safety of Crops & Foods 2013. [DOI: 10.3920/qas2011.0109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M.D. Stancheva
- Faculty of Pharmacy, Medical University, Varna, Marin Drinov 55, Varna 9002, Bulgaria
| | - S.K. Georgieva
- Faculty of Pharmacy, Medical University, Varna, Marin Drinov 55, Varna 9002, Bulgaria
| | - L.E. Makedonski
- Faculty of Pharmacy, Medical University, Varna, Marin Drinov 55, Varna 9002, Bulgaria
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40
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Karacık B, Okay OS, Henkelmann B, Pfister G, Schramm KW. Water concentrations of PAH, PCB and OCP by using semipermeable membrane devices and sediments. Mar Pollut Bull 2013; 70:258-265. [PMID: 23523120 DOI: 10.1016/j.marpolbul.2013.02.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Revised: 02/20/2013] [Accepted: 02/21/2013] [Indexed: 06/02/2023]
Abstract
Water concentrations of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) were estimated from semipermeable membrane devices (SPMDs) and from sediment pollutant concentrations. SPMDs were deployed in the Istanbul Strait and Marmara Sea and retrieved after 7 and 21 days. Performance reference compounds (PRCs) were used to determine the site-specific sampling rates of the compounds. Water concentrations (C(w)) of the analyzed compounds estimated by using two different calculation methods for SPMDs were found similar. C(w) of total PAHs estimated from SPMDs (C(w-spmd)) were found between 13 and 79 ng L⁻¹ and between 7.0 and 68 ng L⁻¹ for 7 and 21 days of deployments respectively. Water concentrations of PCBs using sediment data was found as between 0.001 and 11.0 ng L⁻¹. The highest value of C(w-spmd) for two deployments were 2.8 ng L⁻¹ for OCPs. C(w) estimated from sediment concentrations were generally higher than those estimated from SPMDs.
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Affiliation(s)
- B Karacık
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469 Maslak, İstanbul, Turkey
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41
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Ozyürek NA, Gedik K, Siltu E, Imamoğlu I. Levels and sources of polychlorinated biphenyls in Ankara creek sediments, Turkey. J Environ Sci Health A Tox Hazard Subst Environ Eng 2013; 48:800-808. [PMID: 23445423 DOI: 10.1080/10934529.2013.744652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The spatial distribution, degree of pollution and major sources of polychlorinated biphenyls (PCBs) were evaluated in surficial sediments of Ankara Creek, located in the capital of Turkey and serving as one of the tributaries in the third largest watershed in Turkey. Sediment ΣPCB concentrations analyzed on Aroclor and congener basis (seven indicator congeners) range from 5.5 to 777.6 ng g(-1) and 3.7 to 743.3 ng g(-1) dw as Aroclor and congener based concentrations, respectively. High concentrations of ΣPCBs were observed in the samples located at the downstream sections of the Creek, after discharge from Ankara municipal wastewater treatment plant. Using a chemical mass balance receptor model (CMB), major sources of PCBs affecting the sediments were investigated. The CMB model identified Aroclor 1254 and 1260 to be the major PCB sources affecting sediments. The potential sources for the PCBs were briefly discussed in terms of their use in various industrial applications.
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Affiliation(s)
- Nazan Akduman Ozyürek
- Department of Environmental Engineering, Middle East Technical University, Ankara, Turkey
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Plaza-bolaños P, Valera-tarifa NM, Frenich AG. Current Applications of GC-(Q)TOF and GC–HRMS for the Determination of Persistent Organic Pollutants in Water and Sediments Samples. Advanced Techniques in Gas Chromatography–Mass Spectrometry (GC–MS–MS and GC–TOF–MS) for Environmental Chemistry. Elsevier; 2013. pp. 431-54. [DOI: 10.1016/b978-0-444-62623-3.00018-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Moon HB, Choi M, Choi HG, Kannan K. Severe pollution of PCDD/Fs and dioxin-like PCBs in sediments from Lake Shihwa, Korea: tracking the source. Mar Pollut Bull 2012; 64:2357-2363. [PMID: 22980772 DOI: 10.1016/j.marpolbul.2012.08.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 08/16/2012] [Accepted: 08/17/2012] [Indexed: 06/01/2023]
Abstract
Concentrations of polychlorinated dibenzo-p-dioxins, dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (DL-PCBs) were determined in surface sediments from Lake Shihwa and from creeks that discharge into this artificial lake. The toxic equivalents (TEQs) in sediments ranged from 1.0 to 1770 pg/g dry weight, which were some of the highest values ever reported so far for coastal sediments on a global basis. The concentrations of PCDD/Fs and DL-PCBs decreased with increasing distance from the creeks to offshore regions of the lake. Based on a multivariate statistical analysis and congener profiles, it was found that high contamination by PCDD/Fs in creek sediments collected around Lake Shihwa was associated with releases from chlor-alkali processes. Significant correlations were found for total organic carbon content and the concentrations of highly chlorinated PCDD/F congeners. This is the first report to document chlor-alkali processes as a significant source of PCDD/F contamination in Korean coastal waters.
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Affiliation(s)
- Hyo-Bang Moon
- Department of Environmental Marine Sciences, College of Science and Technology, Hanyang University, Ansan 426-791, Republic of Korea.
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Ndiaye A, Sanchez W, Durand JD, Budzinski H, Palluel O, Diouf K, Ndiaye P, Panfili J. Multiparametric approach for assessing environmental quality variations in West African aquatic ecosystems using the black-chinned tilapia (Sarotherodon melanotheron) as a sentinel species. Environ Sci Pollut Res Int 2012; 19:4133-4147. [PMID: 22645008 DOI: 10.1007/s11356-012-0979-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Accepted: 05/09/2012] [Indexed: 06/01/2023]
Abstract
The study highlights the potential of the black-chinned tilapia to be used as a sentinel to assess environmental contaminants based on the use of a set of biomarkers. The usefulness of fish species as sentinels for assessing aquatic environment contamination was tested using a set of biomarkers in Senegalese environments characterized by multi-pollution sources. The black-chinned tilapia (Sarotherodon melanotheron) was selected as a sentinel because of its abundance, wide distribution in all coastal aquatic ecosystems and physiological properties. The potential influence of confounding factors such as salinity on biomarker in the tilapia has been examined. Individuals were sampled during two seasons (dry and wet) in eight sites characterized by various degrees of anthropogenic contamination and different salinities (from 0 to 102 psu). Biomarkers-including growth rate (GR), condition factor (CF), biotransformation enzymes such as 7-ethoxyresorufin-O-deethylase (EROD) and glutathione-S-transferase (GST), lipid peroxidation (TBARS) and acetylcholinesterase (AChE)-were measured. Chemical contaminant [polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs)] levels showed different sources of contamination with relatively high concentrations of PAHs in the Hann Bay and Foundiougne locations. The most sensitive biomarker present in different sites according to the principal component analysis is EROD. Few variations of the AChE activity and TBARS levels were found. No clear relationship was found between biomarker responses and salinity, but GR and CF were lower in hypersaline conditions. Tilapia is responsive to environmental contaminants such as PAHs, OCPs and PCBs. The S. melanotheron multiparametric approach showed a better discrimination of sites.
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Affiliation(s)
- Awa Ndiaye
- UMR 5119 ECOSYM, Université Montpellier 2, place Eugène Bataillon, CC 093, 34095, Montpellier Cedex 5, France.
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Galvao P, Henkelmann B, Longo R, Lailson-brito J, Torres JPM, Schramm K, Malm O. Distinct bioaccumulation profile of pesticides and dioxin-like compounds by mollusk bivalves reared in polluted and unpolluted tropical bays: Consumption risk and seasonal effect. Food Chem 2012; 134:2040-8. [DOI: 10.1016/j.foodchem.2012.04.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Revised: 02/27/2012] [Accepted: 04/02/2012] [Indexed: 11/24/2022]
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Syakti AD, Asia L, Kanzari F, Umasangadji H, Malleret L, Ternois Y, Mille G, Doumenq P. Distribution of organochlorine pesticides (OCs) and polychlorinated biphenyls (PCBs) in marine sediments directly exposed to wastewater from Cortiou, Marseille. Environ Sci Pollut Res Int 2012; 19:1524-1535. [PMID: 22051976 DOI: 10.1007/s11356-011-0640-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Accepted: 10/03/2011] [Indexed: 05/31/2023]
Abstract
INTRODUCTION The future 'Calanque National Park' coastlines of the Bouches-du-Rhône and Var departments in France, constitute one of the ten biodiversity hot spots identified in the Mediterranean basin that receives industrial and urban wastewaters discharged from Marseille and its suburbs. MATERIALS AND METHODS Organochlorine pesticides (OCs) and polychlorinated biphenyls (PCBs) were measured in sediments collected from 12 sampling sites (C1-C12) of sewage discharge to the sea from the wastewater treatment plant of Cortiou-Marseille. This study aims to determine the extent of these compounds in the sediments and to establish the possible sources of these contaminants. RESULTS AND DISCUSSION Total pesticides in the sediments ranged from 1.2 to 190.6 ng g(-1) dry weight of sediment. The highest value was found at station C1, with a decreasing trend in total OC concentrations seaward. Among these compounds, the concentrations of the sum of dichlorodiphenyltrichloroethane (ΣDDT) were the highest, ranging from 0.7 to 114.3 ng g(-1). PCB concentrations, expressed as equivalent to Arochlor 1260, varied from 9.1 to 226.9 ng g(-1). Individually, the dominant coplanar PCB congeners CB-153, CB-138 and CB-101. Generally, PCB concentrations at stations C2, C3, C5 and C7 were higher than those at stations C10, C11 and C12. Through some pollution indices, we showed the long-term contamination input of these OCs (DDT, endosulfan, HCH and heptachlor cases) rather than a recent release resulting from degradation and long-term weathering (dieldrin, aldrin and methoxychlor cases). Occurrence of PCBs might be due to their resistance to degradation processes or/and chronic inputs. CONCLUSIONS By comparison with available sediment quality guideline (SQG) values, the environmental significance and toxicological implications of PCBs and OCs (i) reveal the probable adverse effects for the sediments from C1, C5, C6, C9 and (ii) confirm the adverse effect for marine biota and more particularly for benthic communities at C2-C4, C7 and C8.
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Affiliation(s)
- Agung Dhamar Syakti
- Fisheries and Marine Sciences Program, Jenderal Soedirman University, Kampus Perikanan Unsoed Karangwangkal, Purwokerto, Indonesia
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Botaro D, Torres JPM, Malm O, Rebelo MF, Henkelmann B, Schramm KW. Organochlorine pesticides residues in feed and muscle of farmed Nile tilapia from Brazilian fish farms. Food Chem Toxicol 2011; 49:2125-30. [DOI: 10.1016/j.fct.2011.05.027] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 05/06/2011] [Accepted: 05/26/2011] [Indexed: 10/18/2022]
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Kožul D, Herceg Romanić S, Kljaković-Gašpić Z, Veža J. Distribution of polychlorinated biphenyls and organochlorine pesticides in wild mussels from two different sites in central Croatian Adriatic coast. Environ Monit Assess 2011; 179:325-33. [PMID: 20953696 DOI: 10.1007/s10661-010-1739-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2010] [Accepted: 10/04/2010] [Indexed: 05/04/2023]
Abstract
Levels of 24 organochlorine compounds were investigated in wild mussels collected at two locations (Krka estuary and Kaštela Bay) on the Croatian Adriatic coast in 2003, 2005, 2006, 2007, and 2008. PCB and OCP ranges found at the two locations overlapped and followed similar profiles despite the differences between the two locations indicating that they share a common pollutants source. Among organochlorine pesticides, the dominant compound was DDT. Among indicator PCBs, the dominant compound was PCB-153, while PCB-118 was dominant among the remaining 11 congeners. Generally, the sum of six indicator PCBs was constantly greater than the sum of 11 congeners at both locations. α-HCH/γ-HCH and DDE/DDT ratios were below 1, indicating recent input of γ-HCH and DDT into the marine environment. In the investigated period, almost all organochlorine compounds reached the highest values in 2006. The levels of PCBs and OCPs in this study were considerably below the Croatian maximum permissible levels, confirming that they do not pose any threat for human health.
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Affiliation(s)
- Darija Kožul
- Institute for Medical Research and Occupational Health, Ksaverska c. 2, PO Box 291, 10001 Zagreb, Croatia.
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Aksoy A, Das YK, Yavuz O, Guvenc D, Atmaca E, Agaoglu S. Organochlorine pesticide and polychlorinated biphenyls levels in fish and mussel in Van region, Turkey. Bull Environ Contam Toxicol 2011; 87:65-69. [PMID: 21516453 DOI: 10.1007/s00128-011-0286-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2010] [Accepted: 04/15/2011] [Indexed: 05/28/2023]
Abstract
Forty-seven fish (24 endemic Alburnus tarichi, Güldenstädt, 1814; 8 Capoeta capoeta, Guldenstaedt, 1772; 15 mirror carp Cyprinus carpio, L., 1758) and 13 mussel (Unio stevenianus, Krynicki, 1837) samples, with 10 specimens per sample, were collected from Van Lake, Turkey, and rivers flowing into it. Gamma-HCH was detected in 21 Alburnus tarichi samples (56.57 ng/g ± 22.18 ng/g) and in two Capoeta capoeta samples (27.6 ng/g and 36.45 ng/g). Beta-HCH was detected in 8 Alburnus tarichi samples (24.95 ng/g ± 4.42 ng/g) and in two mussel samples (101.25 ng/g and 129.44 ng/g). HCB was found in one Alburnus tarichi sample (14.4 ng/g) and one mussel sample (181.25 ng/g). The compound 4,4'-DDE was detected in 21 Alburnus tarichi samples (87.13 ng/g ± 32.23 ng/g), in 9 mirror carp samples (304.82 ng/g ± 100.76 ng/g) and one mussel sample (149.31 ng/g). PCB 28 was detected in one Alburnus tarichi (19.46 ng/g) sample and PCB 101 was found in one Capoeta capoeta (60.16 ng/g) sample. PCB 118 was detected in one mirror carp sample (277.5 ng/g) and in two Capoeta capoeta samples (43.77 and 54.38 ng/g). PCB 128 was detected in only one Capoeta capoeta sample (141.48 ng/g). It is concluded that (i) efforts should be made to reduce contamination of aquatic environments by these compounds and that (ii) their levels in fishery products from Van Lake and connected streams should be monitored and publicly reported on a regular basis.
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Affiliation(s)
- Abdurrahman Aksoy
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ondokuz Mayis University, Samsun, Turkey.
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