Monitoring And Disperse-Phase Distribution Of Organochlorine Pesticides In Natural Water

Milyukin, M. V.; Gorban, М.V.

doi:10.17721/moca.2016.25-30

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…A significant part of the results on monitoring of OCPs, PCBs, and PAHs in surface water of the Dnieper River was obtained during the period 2011-2013. These results are presented in papers [19][20][21][22] . In 2014-2019 this research was continued.…”

Section: Concentration Of Ocps Pcbs and Pahs In Surface Water Of Thementioning

confidence: 88%

“…In recent years, investigations on monitoring and disperse-phase distribution of POPs in the Dnieper River's surface water [19][20][21][22] were carried out. By the term "disperse-phase distribution" distribution of POPs between water phase (water-soluble state), the fine fraction of suspended particulate matter (SPM) (pore size >0,45 and <16-24 µm) and the rough fraction of SPM (>16-24 µm) was meant.…”

Section: Introductionmentioning

confidence: 99%

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Concentrations and regularities of disperse-phase distribution of organochlorine pesticides, polychlorinated biphenyls and polycyclic aromatic hydrocarbons in natural water

Milyukin

Gorban²

2020

Mediterr.J.Chem.,

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<div><p>This article presents the monitoring results of organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs) in surface water of the Dnieper River for the period 2011–2019. Total levels of OCPs, PCBs and PAHs consist of 1,4–17,1; 2,8–57,2; and 7,5–378,6 ng/L, respectively. A significant increase in pollution levels was not identified. Research results of the disperse-phase distribution of these substances in water were also provided. Less than half of the total contents of pollutants were in the water phase. Average water-soluble parts of OCPs, PCBs, and PAHs accounted for 32, 42, and 44 %, respectively. It was shown that water-soluble parts of individual pollutants decrease with the increase in <span style="text-decoration: line-through;">the</span> coefficients of hydrophobicity of compounds. The clearest reliable, relevant correlation between water-soluble parts of individual congeners and coefficients of hydrophobicity was obtained for PCBs.</p></div><p align="center"><strong><br /></strong></p>

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Section: Concentration Of Ocps Pcbs and Pahs In Surface Water Of Thementioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Concentrations and regularities of disperse-phase distribution of organochlorine pesticides, polychlorinated biphenyls and polycyclic aromatic hydrocarbons in natural water

Milyukin

Gorban²

2020

Mediterr.J.Chem.,

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Monitoring and Disperse-Phase Distribution of Light Polycyclic Aromatic Hydrocarbons in Natural Water

Milyukin¹,

Gorban²

2016

Z. Hromatogr. tov.

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Concentrations of Organochlorine Pesticides and Polychlorinated Biphenyls in Surface Water of the Dnieper River

Milyukin,

Gorban

2024

MOCA

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The article analyzes the levels of organic ecotoxicants, specifically organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs), in the surface waters of the Dnieper River and other global water systems, highlighting trends over recent decades. The levels of OCPs and PCBs in the Dnieper River remained stable, with slight increases observed between 1994 and 2021. The average total concentrations during this period were 12.19±4.73 ng/dm³ (OCPs) and 23.13±20.64 ng/dm³ (PCBs). In other regions, average OCP concentrations (ng/ dm³) were: 5.7±1.8 (Italy), 1.77±0.56 (Tyrrhenian Sea), 318 (Ganga River), 21.3 (Yangtze River), 34.4 (Huai River), and 69.9 (Pearl River Delta). For PCBs, the respective concentrations (ng/dm³) were: 27.9±8.7 (Italy), 11.7±1.5 (Tyrrhenian Sea), 8.5±6.4 (Yangtze River), and 3.50 (Pearl River Delta). Relative standard deviations ranged from 31.6% to 140.3% for OCPs and 12.7% to 94.3% for PCBs, reflecting variability in data collection over time and across studies. In China and India, PCB levels showed a declining trend, remaining below 50 ng/dm³. Correlation analysis between individual OCPs and PCBs helped estimate emission timing into aquatic systems. Overall, while some regions show downward trends in ecotoxicant levels, PCB concentrations in natural waters remain relatively stable globally.

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Monitoring And Disperse-Phase Distribution Of Organochlorine Pesticides In Natural Water

Abstract: It was indicated that dominant part of OCPs is associated with suspended particles: 16-25 %-at thin and 37-52 %-at rough fractions. The dissolved fraction of OCPs is accounted only 24-38 %.

Cited by 3 publications

References 2 publications

Concentrations and regularities of disperse-phase distribution of organochlorine pesticides, polychlorinated biphenyls and polycyclic aromatic hydrocarbons in natural water

Concentrations and regularities of disperse-phase distribution of organochlorine pesticides, polychlorinated biphenyls and polycyclic aromatic hydrocarbons in natural water

Monitoring and Disperse-Phase Distribution of Light Polycyclic Aromatic Hydrocarbons in Natural Water

Concentrations of Organochlorine Pesticides and Polychlorinated Biphenyls in Surface Water of the Dnieper River

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